653120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:187

約数の個数: 56

約数和(自身を含む): 1685544

約数和(自身を除く): 1032424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 157, 160, 208, 260, 314, 320, 416, 520, 628, 785, 832, 1040, 1256, 1570, 2041, 2080, 2512, 3140, 4082, 4160, 5024, 6280, 8164, 10048, 10205, 12560, 16328, 20410, 25120, 32656, 40820, 50240, 65312, 81640, 130624, 163280, 326560, 653120]

約数ペア:

[(1, 653120), (2, 326560), (4, 163280), (5, 130624), (8, 81640), (10, 65312), (13, 50240), (16, 40820), (20, 32656), (26, 25120), (32, 20410), (40, 16328), (52, 12560), (64, 10205), (65, 10048), (80, 8164), (104, 6280), (130, 5024), (157, 4160), (160, 4082), (208, 3140), (260, 2512), (314, 2080), (320, 2041), (416, 1570), (520, 1256), (628, 1040), (785, 832)]