68323940

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 147329280

約数和(自身を除く): 79005340

約数列:

[1, 2, 4, 5, 10, 20, 79, 83, 158, 166, 316, 332, 395, 415, 521, 790, 830, 1042, 1580, 1660, 2084, 2605, 5210, 6557, 10420, 13114, 26228, 32785, 41159, 43243, 65570, 82318, 86486, 131140, 164636, 172972, 205795, 216215, 411590, 432430, 823180, 864860, 3416197, 6832394, 13664788, 17080985, 34161970, 68323940]

約数ペア:

[(1, 68323940), (2, 34161970), (4, 17080985), (5, 13664788), (10, 6832394), (20, 3416197), (79, 864860), (83, 823180), (158, 432430), (166, 411590), (316, 216215), (332, 205795), (395, 172972), (415, 164636), (521, 131140), (790, 86486), (830, 82318), (1042, 65570), (1580, 43243), (1660, 41159), (2084, 32785), (2605, 26228), (5210, 13114), (6557, 10420)]