90025520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{809}}^1$

素因数の和:942

約数の個数: 80

約数和(自身を含む): 227797920

約数和(自身を除く): 137772400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 107, 130, 208, 214, 260, 428, 520, 535, 809, 856, 1040, 1070, 1391, 1618, 1712, 2140, 2782, 3236, 4045, 4280, 5564, 6472, 6955, 8090, 8560, 10517, 11128, 12944, 13910, 16180, 21034, 22256, 27820, 32360, 42068, 52585, 55640, 64720, 84136, 86563, 105170, 111280, 168272, 173126, 210340, 346252, 420680, 432815, 692504, 841360, 865630, 1125319, 1385008, 1731260, 2250638, 3462520, 4501276, 5626595, 6925040, 9002552, 11253190, 18005104, 22506380, 45012760, 90025520]

約数ペア:

[(1, 90025520), (2, 45012760), (4, 22506380), (5, 18005104), (8, 11253190), (10, 9002552), (13, 6925040), (16, 5626595), (20, 4501276), (26, 3462520), (40, 2250638), (52, 1731260), (65, 1385008), (80, 1125319), (104, 865630), (107, 841360), (130, 692504), (208, 432815), (214, 420680), (260, 346252), (428, 210340), (520, 173126), (535, 168272), (809, 111280), (856, 105170), (1040, 86563), (1070, 84136), (1391, 64720), (1618, 55640), (1712, 52585), (2140, 42068), (2782, 32360), (3236, 27820), (4045, 22256), (4280, 21034), (5564, 16180), (6472, 13910), (6955, 12944), (8090, 11128), (8560, 10517)]