27391569320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{261071}}^1$

素因数の和:261186

約数の個数: 64

約数和(自身を含む): 64098397440

約数和(自身を除く): 36706828120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 61, 86, 122, 172, 215, 244, 305, 344, 430, 488, 610, 860, 1220, 1720, 2440, 2623, 5246, 10492, 13115, 20984, 26230, 52460, 104920, 261071, 522142, 1044284, 1305355, 2088568, 2610710, 5221420, 10442840, 11226053, 15925331, 22452106, 31850662, 44904212, 56130265, 63701324, 79626655, 89808424, 112260530, 127402648, 159253310, 224521060, 318506620, 449042120, 637013240, 684789233, 1369578466, 2739156932, 3423946165, 5478313864, 6847892330, 13695784660, 27391569320]

約数ペア:

[(1, 27391569320), (2, 13695784660), (4, 6847892330), (5, 5478313864), (8, 3423946165), (10, 2739156932), (20, 1369578466), (40, 684789233), (43, 637013240), (61, 449042120), (86, 318506620), (122, 224521060), (172, 159253310), (215, 127402648), (244, 112260530), (305, 89808424), (344, 79626655), (430, 63701324), (488, 56130265), (610, 44904212), (860, 31850662), (1220, 22452106), (1720, 15925331), (2440, 11226053), (2623, 10442840), (5246, 5221420), (10492, 2610710), (13115, 2088568), (20984, 1305355), (26230, 1044284), (52460, 522142), (104920, 261071)]