28044560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1213}}^1$

素因数の和:1260

約数の個数: 60

約数和(自身を含む): 69321828

約数和(自身を除く): 41277268

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1213, 1360, 1445, 2312, 2426, 2890, 4624, 4852, 5780, 6065, 9704, 11560, 12130, 19408, 20621, 23120, 24260, 41242, 48520, 82484, 97040, 103105, 164968, 206210, 329936, 350557, 412420, 701114, 824840, 1402228, 1649680, 1752785, 2804456, 3505570, 5608912, 7011140, 14022280, 28044560]

約数ペア:

[(1, 28044560), (2, 14022280), (4, 7011140), (5, 5608912), (8, 3505570), (10, 2804456), (16, 1752785), (17, 1649680), (20, 1402228), (34, 824840), (40, 701114), (68, 412420), (80, 350557), (85, 329936), (136, 206210), (170, 164968), (272, 103105), (289, 97040), (340, 82484), (578, 48520), (680, 41242), (1156, 24260), (1213, 23120), (1360, 20621), (1445, 19408), (2312, 12130), (2426, 11560), (2890, 9704), (4624, 6065), (4852, 5780)]