326560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 836136

約数和(自身を除く): 509576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 157, 160, 208, 260, 314, 416, 520, 628, 785, 1040, 1256, 1570, 2041, 2080, 2512, 3140, 4082, 5024, 6280, 8164, 10205, 12560, 16328, 20410, 25120, 32656, 40820, 65312, 81640, 163280, 326560]

約数ペア:

[(1, 326560), (2, 163280), (4, 81640), (5, 65312), (8, 40820), (10, 32656), (13, 25120), (16, 20410), (20, 16328), (26, 12560), (32, 10205), (40, 8164), (52, 6280), (65, 5024), (80, 4082), (104, 3140), (130, 2512), (157, 2080), (160, 2041), (208, 1570), (260, 1256), (314, 1040), (416, 785), (520, 628)]