66201760

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4649}}^1$

素因数の和:4753

約数の個数: 48

約数和(自身を含む): 158193000

約数和(自身を除く): 91991240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 4649, 7120, 9298, 14240, 18596, 23245, 37192, 46490, 74384, 92980, 148768, 185960, 371920, 413761, 743840, 827522, 1655044, 2068805, 3310088, 4137610, 6620176, 8275220, 13240352, 16550440, 33100880, 66201760]

約数ペア:

[(1, 66201760), (2, 33100880), (4, 16550440), (5, 13240352), (8, 8275220), (10, 6620176), (16, 4137610), (20, 3310088), (32, 2068805), (40, 1655044), (80, 827522), (89, 743840), (160, 413761), (178, 371920), (356, 185960), (445, 148768), (712, 92980), (890, 74384), (1424, 46490), (1780, 37192), (2848, 23245), (3560, 18596), (4649, 14240), (7120, 9298)]