164810365640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2113}}^1\times {\mathrm{24683}}^1$

素因数の和:26886

約数の個数: 64

約数和(自身を含む): 375710227200

約数和(自身を除く): 210899861560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2113, 3160, 4226, 8452, 10565, 16904, 21130, 24683, 42260, 49366, 84520, 98732, 123415, 166927, 197464, 246830, 333854, 493660, 667708, 834635, 987320, 1335416, 1669270, 1949957, 3338540, 3899914, 6677080, 7799828, 9749785, 15599656, 19499570, 38999140, 52155179, 77998280, 104310358, 208620716, 260775895, 417241432, 521551790, 1043103580, 2086207160, 4120259141, 8240518282, 16481036564, 20601295705, 32962073128, 41202591410, 82405182820, 164810365640]

約数ペア:

[(1, 164810365640), (2, 82405182820), (4, 41202591410), (5, 32962073128), (8, 20601295705), (10, 16481036564), (20, 8240518282), (40, 4120259141), (79, 2086207160), (158, 1043103580), (316, 521551790), (395, 417241432), (632, 260775895), (790, 208620716), (1580, 104310358), (2113, 77998280), (3160, 52155179), (4226, 38999140), (8452, 19499570), (10565, 15599656), (16904, 9749785), (21130, 7799828), (24683, 6677080), (42260, 3899914), (49366, 3338540), (84520, 1949957), (98732, 1669270), (123415, 1335416), (166927, 987320), (197464, 834635), (246830, 667708), (333854, 493660)]