20196642800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{15361}}^1$

素因数の和:15571

約数の個数: 120

約数和(自身を含む): 51374829360

約数和(自身を除く): 31178186560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 173, 190, 200, 304, 346, 380, 400, 475, 692, 760, 865, 950, 1384, 1520, 1730, 1900, 2768, 3287, 3460, 3800, 4325, 6574, 6920, 7600, 8650, 13148, 13840, 15361, 16435, 17300, 26296, 30722, 32870, 34600, 52592, 61444, 65740, 69200, 76805, 82175, 122888, 131480, 153610, 164350, 245776, 262960, 291859, 307220, 328700, 384025, 583718, 614440, 657400, 768050, 1167436, 1228880, 1314800, 1459295, 1536100, 2334872, 2657453, 2918590, 3072200, 4669744, 5314906, 5837180, 6144400, 7296475, 10629812, 11674360, 13287265, 14592950, 21259624, 23348720, 26574530, 29185900, 42519248, 50491607, 53149060, 58371800, 66436325, 100983214, 106298120, 116743600, 132872650, 201966428, 212596240, 252458035, 265745300, 403932856, 504916070, 531490600, 807865712, 1009832140, 1062981200, 1262290175, 2019664280, 2524580350, 4039328560, 5049160700, 10098321400, 20196642800]

約数ペア:

[(1, 20196642800), (2, 10098321400), (4, 5049160700), (5, 4039328560), (8, 2524580350), (10, 2019664280), (16, 1262290175), (19, 1062981200), (20, 1009832140), (25, 807865712), (38, 531490600), (40, 504916070), (50, 403932856), (76, 265745300), (80, 252458035), (95, 212596240), (100, 201966428), (152, 132872650), (173, 116743600), (190, 106298120), (200, 100983214), (304, 66436325), (346, 58371800), (380, 53149060), (400, 50491607), (475, 42519248), (692, 29185900), (760, 26574530), (865, 23348720), (950, 21259624), (1384, 14592950), (1520, 13287265), (1730, 11674360), (1900, 10629812), (2768, 7296475), (3287, 6144400), (3460, 5837180), (3800, 5314906), (4325, 4669744), (6574, 3072200), (6920, 2918590), (7600, 2657453), (8650, 2334872), (13148, 1536100), (13840, 1459295), (15361, 1314800), (16435, 1228880), (17300, 1167436), (26296, 768050), (30722, 657400), (32870, 614440), (34600, 583718), (52592, 384025), (61444, 328700), (65740, 307220), (69200, 291859), (76805, 262960), (82175, 245776), (122888, 164350), (131480, 153610)]