329717840

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{15671}}^1$

素因数の和:15947

約数の個数: 40

約数和(自身を含む): 769557888

約数和(自身を除く): 439840048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 526, 1052, 1315, 2104, 2630, 4208, 5260, 10520, 15671, 21040, 31342, 62684, 78355, 125368, 156710, 250736, 313420, 626840, 1253680, 4121473, 8242946, 16485892, 20607365, 32971784, 41214730, 65943568, 82429460, 164858920, 329717840]

約数ペア:

[(1, 329717840), (2, 164858920), (4, 82429460), (5, 65943568), (8, 41214730), (10, 32971784), (16, 20607365), (20, 16485892), (40, 8242946), (80, 4121473), (263, 1253680), (526, 626840), (1052, 313420), (1315, 250736), (2104, 156710), (2630, 125368), (4208, 78355), (5260, 62684), (10520, 31342), (15671, 21040)]