2038542020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{5903}}^1$

素因数の和:6500

約数の個数: 48

約数和(自身を含む): 4427716608

約数和(自身を除く): 2389174588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 557, 620, 1114, 2228, 2785, 5570, 5903, 11140, 11806, 17267, 23612, 29515, 34534, 59030, 69068, 86335, 118060, 172670, 182993, 345340, 365986, 731972, 914965, 1829930, 3287971, 3659860, 6575942, 13151884, 16439855, 32879710, 65759420, 101927101, 203854202, 407708404, 509635505, 1019271010, 2038542020]

約数ペア:

[(1, 2038542020), (2, 1019271010), (4, 509635505), (5, 407708404), (10, 203854202), (20, 101927101), (31, 65759420), (62, 32879710), (124, 16439855), (155, 13151884), (310, 6575942), (557, 3659860), (620, 3287971), (1114, 1829930), (2228, 914965), (2785, 731972), (5570, 365986), (5903, 345340), (11140, 182993), (11806, 172670), (17267, 118060), (23612, 86335), (29515, 69068), (34534, 59030)]