52261040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1678

約数の個数: 80

約数和(自身を含む): 135158016

約数和(自身を除く): 82896976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 1621, 2015, 2480, 3224, 3242, 4030, 6448, 6484, 8060, 8105, 12968, 16120, 16210, 21073, 25936, 32240, 32420, 42146, 50251, 64840, 84292, 100502, 105365, 129680, 168584, 201004, 210730, 251255, 337168, 402008, 421460, 502510, 653263, 804016, 842920, 1005020, 1306526, 1685840, 2010040, 2613052, 3266315, 4020080, 5226104, 6532630, 10452208, 13065260, 26130520, 52261040]

約数ペア:

[(1, 52261040), (2, 26130520), (4, 13065260), (5, 10452208), (8, 6532630), (10, 5226104), (13, 4020080), (16, 3266315), (20, 2613052), (26, 2010040), (31, 1685840), (40, 1306526), (52, 1005020), (62, 842920), (65, 804016), (80, 653263), (104, 502510), (124, 421460), (130, 402008), (155, 337168), (208, 251255), (248, 210730), (260, 201004), (310, 168584), (403, 129680), (496, 105365), (520, 100502), (620, 84292), (806, 64840), (1040, 50251), (1240, 42146), (1612, 32420), (1621, 32240), (2015, 25936), (2480, 21073), (3224, 16210), (3242, 16120), (4030, 12968), (6448, 8105), (6484, 8060)]