15928120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30631}}^1$

素因数の和:30655

約数の個数: 32

約数和(自身を含む): 38596320

約数和(自身を除く): 22668200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30631, 61262, 122524, 153155, 245048, 306310, 398203, 612620, 796406, 1225240, 1592812, 1991015, 3185624, 3982030, 7964060, 15928120]

約数ペア:

[(1, 15928120), (2, 7964060), (4, 3982030), (5, 3185624), (8, 1991015), (10, 1592812), (13, 1225240), (20, 796406), (26, 612620), (40, 398203), (52, 306310), (65, 245048), (104, 153155), (130, 122524), (260, 61262), (520, 30631)]