625040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 1567608

約数和(自身を除く): 942568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 601, 1040, 1202, 2404, 3005, 4808, 6010, 7813, 9616, 12020, 15626, 24040, 31252, 39065, 48080, 62504, 78130, 125008, 156260, 312520, 625040]

約数ペア:

[(1, 625040), (2, 312520), (4, 156260), (5, 125008), (8, 78130), (10, 62504), (13, 48080), (16, 39065), (20, 31252), (26, 24040), (40, 15626), (52, 12020), (65, 9616), (80, 7813), (104, 6010), (130, 4808), (208, 3005), (260, 2404), (520, 1202), (601, 1040)]