1919320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3691}}^1$

素因数の和:3715

約数の個数: 32

約数和(自身を含む): 4651920

約数和(自身を除く): 2732600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3691, 7382, 14764, 18455, 29528, 36910, 47983, 73820, 95966, 147640, 191932, 239915, 383864, 479830, 959660, 1919320]

約数ペア:

[(1, 1919320), (2, 959660), (4, 479830), (5, 383864), (8, 239915), (10, 191932), (13, 147640), (20, 95966), (26, 73820), (40, 47983), (52, 36910), (65, 29528), (104, 18455), (130, 14764), (260, 7382), (520, 3691)]