85747240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69151}}^1$

素因数の和:69193

約数の個数: 32

約数和(自身を含む): 199157760

約数和(自身を除く): 113410520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 69151, 138302, 276604, 345755, 553208, 691510, 1383020, 2143681, 2766040, 4287362, 8574724, 10718405, 17149448, 21436810, 42873620, 85747240]

約数ペア:

[(1, 85747240), (2, 42873620), (4, 21436810), (5, 17149448), (8, 10718405), (10, 8574724), (20, 4287362), (31, 2766040), (40, 2143681), (62, 1383020), (124, 691510), (155, 553208), (248, 345755), (310, 276604), (620, 138302), (1240, 69151)]