16888040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 41852160

約数和(自身を除く): 24964120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 691, 940, 1222, 1382, 1880, 2444, 2764, 3055, 3455, 4888, 5528, 6110, 6910, 8983, 12220, 13820, 17966, 24440, 27640, 32477, 35932, 44915, 64954, 71864, 89830, 129908, 162385, 179660, 259816, 324770, 359320, 422201, 649540, 844402, 1299080, 1688804, 2111005, 3377608, 4222010, 8444020, 16888040]

約数ペア:

[(1, 16888040), (2, 8444020), (4, 4222010), (5, 3377608), (8, 2111005), (10, 1688804), (13, 1299080), (20, 844402), (26, 649540), (40, 422201), (47, 359320), (52, 324770), (65, 259816), (94, 179660), (104, 162385), (130, 129908), (188, 89830), (235, 71864), (260, 64954), (376, 44915), (470, 35932), (520, 32477), (611, 27640), (691, 24440), (940, 17966), (1222, 13820), (1382, 12220), (1880, 8983), (2444, 6910), (2764, 6110), (3055, 5528), (3455, 4888)]