4387280

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:503

約数の個数: 40

約数和(自身を含む): 10291752

約数和(自身を除く): 5904472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 317, 346, 634, 692, 865, 1268, 1384, 1585, 1730, 2536, 2768, 3170, 3460, 5072, 6340, 6920, 12680, 13840, 25360, 54841, 109682, 219364, 274205, 438728, 548410, 877456, 1096820, 2193640, 4387280]

約数ペア:

[(1, 4387280), (2, 2193640), (4, 1096820), (5, 877456), (8, 548410), (10, 438728), (16, 274205), (20, 219364), (40, 109682), (80, 54841), (173, 25360), (317, 13840), (346, 12680), (634, 6920), (692, 6340), (865, 5072), (1268, 3460), (1384, 3170), (1585, 2768), (1730, 2536)]