814331440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{783011}}^1$

素因数の和:783037

約数の個数: 40

約数和(自身を含む): 2038963248

約数和(自身を除く): 1224631808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 783011, 1566022, 3132044, 3915055, 6264088, 7830110, 10179143, 12528176, 15660220, 20358286, 31320440, 40716572, 50895715, 62640880, 81433144, 101791430, 162866288, 203582860, 407165720, 814331440]

約数ペア:

[(1, 814331440), (2, 407165720), (4, 203582860), (5, 162866288), (8, 101791430), (10, 81433144), (13, 62640880), (16, 50895715), (20, 40716572), (26, 31320440), (40, 20358286), (52, 15660220), (65, 12528176), (80, 10179143), (104, 7830110), (130, 6264088), (208, 3915055), (260, 3132044), (520, 1566022), (1040, 783011)]