133251640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2621}}^1$

素因数の和:2704

約数の個数: 64

約数和(自身を含む): 317157120

約数和(自身を除く): 183905480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1640, 2542, 2621, 5084, 5242, 6355, 10168, 10484, 12710, 13105, 20968, 25420, 26210, 50840, 52420, 81251, 104840, 107461, 162502, 214922, 325004, 406255, 429844, 537305, 650008, 812510, 859688, 1074610, 1625020, 2149220, 3250040, 3331291, 4298440, 6662582, 13325164, 16656455, 26650328, 33312910, 66625820, 133251640]

約数ペア:

[(1, 133251640), (2, 66625820), (4, 33312910), (5, 26650328), (8, 16656455), (10, 13325164), (20, 6662582), (31, 4298440), (40, 3331291), (41, 3250040), (62, 2149220), (82, 1625020), (124, 1074610), (155, 859688), (164, 812510), (205, 650008), (248, 537305), (310, 429844), (328, 406255), (410, 325004), (620, 214922), (820, 162502), (1240, 107461), (1271, 104840), (1640, 81251), (2542, 52420), (2621, 50840), (5084, 26210), (5242, 25420), (6355, 20968), (10168, 13105), (10484, 12710)]