71090440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57331}}^1$

素因数の和:57373

約数の個数: 32

約数和(自身を含む): 165116160

約数和(自身を除く): 94025720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57331, 114662, 229324, 286655, 458648, 573310, 1146620, 1777261, 2293240, 3554522, 7109044, 8886305, 14218088, 17772610, 35545220, 71090440]

約数ペア:

[(1, 71090440), (2, 35545220), (4, 17772610), (5, 14218088), (8, 8886305), (10, 7109044), (20, 3554522), (31, 2293240), (40, 1777261), (62, 1146620), (124, 573310), (155, 458648), (248, 286655), (310, 229324), (620, 114662), (1240, 57331)]