28988338640

素因数分解:

$2^4\times 5^1\times {\mathrm{2861}}^1\times {\mathrm{126653}}^1$

素因数の和:129527

約数の個数: 40

約数和(自身を含む): 67421977128

約数和(自身を除く): 38433638488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2861, 5722, 11444, 14305, 22888, 28610, 45776, 57220, 114440, 126653, 228880, 253306, 506612, 633265, 1013224, 1266530, 2026448, 2533060, 5066120, 10132240, 362354233, 724708466, 1449416932, 1811771165, 2898833864, 3623542330, 5797667728, 7247084660, 14494169320, 28988338640]

約数ペア:

[(1, 28988338640), (2, 14494169320), (4, 7247084660), (5, 5797667728), (8, 3623542330), (10, 2898833864), (16, 1811771165), (20, 1449416932), (40, 724708466), (80, 362354233), (2861, 10132240), (5722, 5066120), (11444, 2533060), (14305, 2026448), (22888, 1266530), (28610, 1013224), (45776, 633265), (57220, 506612), (114440, 253306), (126653, 228880)]