8181440

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:745

約数の個数: 56

約数和(自身を含む): 20037552

約数和(自身を除く): 11856112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 148, 160, 185, 296, 320, 370, 592, 691, 740, 1184, 1382, 1480, 2368, 2764, 2960, 3455, 5528, 5920, 6910, 11056, 11840, 13820, 22112, 25567, 27640, 44224, 51134, 55280, 102268, 110560, 127835, 204536, 221120, 255670, 409072, 511340, 818144, 1022680, 1636288, 2045360, 4090720, 8181440]

約数ペア:

[(1, 8181440), (2, 4090720), (4, 2045360), (5, 1636288), (8, 1022680), (10, 818144), (16, 511340), (20, 409072), (32, 255670), (37, 221120), (40, 204536), (64, 127835), (74, 110560), (80, 102268), (148, 55280), (160, 51134), (185, 44224), (296, 27640), (320, 25567), (370, 22112), (592, 13820), (691, 11840), (740, 11056), (1184, 6910), (1382, 5920), (1480, 5528), (2368, 3455), (2764, 2960)]