86008880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 209510400

約数和(自身を除く): 123501520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 439, 496, 620, 632, 790, 878, 1240, 1264, 1580, 1756, 2195, 2449, 2480, 3160, 3512, 4390, 4898, 6320, 7024, 8780, 9796, 12245, 13609, 17560, 19592, 24490, 27218, 34681, 35120, 39184, 48980, 54436, 68045, 69362, 97960, 108872, 136090, 138724, 173405, 195920, 217744, 272180, 277448, 346810, 544360, 554896, 693620, 1075111, 1088720, 1387240, 2150222, 2774480, 4300444, 5375555, 8600888, 10751110, 17201776, 21502220, 43004440, 86008880]

約数ペア:

[(1, 86008880), (2, 43004440), (4, 21502220), (5, 17201776), (8, 10751110), (10, 8600888), (16, 5375555), (20, 4300444), (31, 2774480), (40, 2150222), (62, 1387240), (79, 1088720), (80, 1075111), (124, 693620), (155, 554896), (158, 544360), (248, 346810), (310, 277448), (316, 272180), (395, 217744), (439, 195920), (496, 173405), (620, 138724), (632, 136090), (790, 108872), (878, 97960), (1240, 69362), (1264, 68045), (1580, 54436), (1756, 48980), (2195, 39184), (2449, 35120), (2480, 34681), (3160, 27218), (3512, 24490), (4390, 19592), (4898, 17560), (6320, 13609), (7024, 12245), (8780, 9796)]