104518840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 243673920

約数和(自身を除く): 139155080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 101, 164, 202, 205, 328, 404, 410, 505, 631, 808, 820, 1010, 1262, 1640, 2020, 2524, 3155, 4040, 4141, 5048, 6310, 8282, 12620, 16564, 20705, 25240, 25871, 33128, 41410, 51742, 63731, 82820, 103484, 127462, 129355, 165640, 206968, 254924, 258710, 318655, 509848, 517420, 637310, 1034840, 1274620, 2549240, 2612971, 5225942, 10451884, 13064855, 20903768, 26129710, 52259420, 104518840]

約数ペア:

[(1, 104518840), (2, 52259420), (4, 26129710), (5, 20903768), (8, 13064855), (10, 10451884), (20, 5225942), (40, 2612971), (41, 2549240), (82, 1274620), (101, 1034840), (164, 637310), (202, 517420), (205, 509848), (328, 318655), (404, 258710), (410, 254924), (505, 206968), (631, 165640), (808, 129355), (820, 127462), (1010, 103484), (1262, 82820), (1640, 63731), (2020, 51742), (2524, 41410), (3155, 33128), (4040, 25871), (4141, 25240), (5048, 20705), (6310, 16564), (8282, 12620)]