26218040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 61236000

約数和(自身を除く): 35017960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 83, 106, 149, 166, 212, 265, 298, 332, 415, 424, 530, 596, 664, 745, 830, 1060, 1192, 1490, 1660, 2120, 2980, 3320, 4399, 5960, 7897, 8798, 12367, 15794, 17596, 21995, 24734, 31588, 35192, 39485, 43990, 49468, 61835, 63176, 78970, 87980, 98936, 123670, 157940, 175960, 247340, 315880, 494680, 655451, 1310902, 2621804, 3277255, 5243608, 6554510, 13109020, 26218040]

約数ペア:

[(1, 26218040), (2, 13109020), (4, 6554510), (5, 5243608), (8, 3277255), (10, 2621804), (20, 1310902), (40, 655451), (53, 494680), (83, 315880), (106, 247340), (149, 175960), (166, 157940), (212, 123670), (265, 98936), (298, 87980), (332, 78970), (415, 63176), (424, 61835), (530, 49468), (596, 43990), (664, 39485), (745, 35192), (830, 31588), (1060, 24734), (1192, 21995), (1490, 17596), (1660, 15794), (2120, 12367), (2980, 8798), (3320, 7897), (4399, 5960)]