40316860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^2$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 95573520

約数和(自身を除く): 55256660

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 79, 85, 95, 158, 170, 190, 316, 323, 340, 380, 395, 646, 790, 1292, 1343, 1501, 1580, 1615, 2686, 3002, 3230, 5372, 6004, 6241, 6460, 6715, 7505, 12482, 13430, 15010, 24964, 25517, 26860, 30020, 31205, 51034, 62410, 102068, 106097, 118579, 124820, 127585, 212194, 237158, 255170, 424388, 474316, 510340, 530485, 592895, 1060970, 1185790, 2015843, 2121940, 2371580, 4031686, 8063372, 10079215, 20158430, 40316860]

約数ペア:

[(1, 40316860), (2, 20158430), (4, 10079215), (5, 8063372), (10, 4031686), (17, 2371580), (19, 2121940), (20, 2015843), (34, 1185790), (38, 1060970), (68, 592895), (76, 530485), (79, 510340), (85, 474316), (95, 424388), (158, 255170), (170, 237158), (190, 212194), (316, 127585), (323, 124820), (340, 118579), (380, 106097), (395, 102068), (646, 62410), (790, 51034), (1292, 31205), (1343, 30020), (1501, 26860), (1580, 25517), (1615, 24964), (2686, 15010), (3002, 13430), (3230, 12482), (5372, 7505), (6004, 6715), (6241, 6460)]