12913360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 31997952

約数和(自身を除く): 19084592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 127, 155, 164, 205, 248, 254, 310, 328, 410, 496, 508, 620, 635, 656, 820, 1016, 1240, 1270, 1271, 1640, 2032, 2480, 2540, 2542, 3280, 3937, 5080, 5084, 5207, 6355, 7874, 10160, 10168, 10414, 12710, 15748, 19685, 20336, 20828, 25420, 26035, 31496, 39370, 41656, 50840, 52070, 62992, 78740, 83312, 101680, 104140, 157480, 161417, 208280, 314960, 322834, 416560, 645668, 807085, 1291336, 1614170, 2582672, 3228340, 6456680, 12913360]

約数ペア:

[(1, 12913360), (2, 6456680), (4, 3228340), (5, 2582672), (8, 1614170), (10, 1291336), (16, 807085), (20, 645668), (31, 416560), (40, 322834), (41, 314960), (62, 208280), (80, 161417), (82, 157480), (124, 104140), (127, 101680), (155, 83312), (164, 78740), (205, 62992), (248, 52070), (254, 50840), (310, 41656), (328, 39370), (410, 31496), (496, 26035), (508, 25420), (620, 20828), (635, 20336), (656, 19685), (820, 15748), (1016, 12710), (1240, 10414), (1270, 10168), (1271, 10160), (1640, 7874), (2032, 6355), (2480, 5207), (2540, 5084), (2542, 5080), (3280, 3937)]