66275660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4243}}^1$

素因数の和:4334

約数の個数: 48

約数和(自身を含む): 154006272

約数和(自身を除く): 87730612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4243, 7810, 8486, 15620, 16972, 21215, 42430, 46673, 84860, 93346, 186692, 233365, 301253, 466730, 602506, 933460, 1205012, 1506265, 3012530, 3313783, 6025060, 6627566, 13255132, 16568915, 33137830, 66275660]

約数ペア:

[(1, 66275660), (2, 33137830), (4, 16568915), (5, 13255132), (10, 6627566), (11, 6025060), (20, 3313783), (22, 3012530), (44, 1506265), (55, 1205012), (71, 933460), (110, 602506), (142, 466730), (220, 301253), (284, 233365), (355, 186692), (710, 93346), (781, 84860), (1420, 46673), (1562, 42430), (3124, 21215), (3905, 16972), (4243, 15620), (7810, 8486)]