42250520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2621}}^1$

素因数の和:2676

約数の個数: 64

約数和(自身を含む): 105719040

約数和(自身を除く): 63468520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 2621, 3224, 4030, 5242, 8060, 10484, 13105, 16120, 20968, 26210, 34073, 52420, 68146, 81251, 104840, 136292, 162502, 170365, 272584, 325004, 340730, 406255, 650008, 681460, 812510, 1056263, 1362920, 1625020, 2112526, 3250040, 4225052, 5281315, 8450104, 10562630, 21125260, 42250520]

約数ペア:

[(1, 42250520), (2, 21125260), (4, 10562630), (5, 8450104), (8, 5281315), (10, 4225052), (13, 3250040), (20, 2112526), (26, 1625020), (31, 1362920), (40, 1056263), (52, 812510), (62, 681460), (65, 650008), (104, 406255), (124, 340730), (130, 325004), (155, 272584), (248, 170365), (260, 162502), (310, 136292), (403, 104840), (520, 81251), (620, 68146), (806, 52420), (1240, 34073), (1612, 26210), (2015, 20968), (2621, 16120), (3224, 13105), (4030, 10484), (5242, 8060)]