8734240

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:785

約数の個数: 48

約数和(自身を含む): 20926080

約数和(自身を除く): 12191840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 691, 790, 1264, 1382, 1580, 2528, 2764, 3160, 3455, 5528, 6320, 6910, 11056, 12640, 13820, 22112, 27640, 54589, 55280, 109178, 110560, 218356, 272945, 436712, 545890, 873424, 1091780, 1746848, 2183560, 4367120, 8734240]

約数ペア:

[(1, 8734240), (2, 4367120), (4, 2183560), (5, 1746848), (8, 1091780), (10, 873424), (16, 545890), (20, 436712), (32, 272945), (40, 218356), (79, 110560), (80, 109178), (158, 55280), (160, 54589), (316, 27640), (395, 22112), (632, 13820), (691, 12640), (790, 11056), (1264, 6910), (1382, 6320), (1580, 5528), (2528, 3455), (2764, 3160)]