1281569402920

素因数分解:

$2^3\times 5^1\times {\mathrm{26423}}^1\times {\mathrm{1212551}}^1$

素因数の和:1238985

約数の個数: 32

約数和(自身を含む): 2883642664320

約数和(自身を除く): 1602073261400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 26423, 52846, 105692, 132115, 211384, 264230, 528460, 1056920, 1212551, 2425102, 4850204, 6062755, 9700408, 12125510, 24251020, 48502040, 32039235073, 64078470146, 128156940292, 160196175365, 256313880584, 320392350730, 640784701460, 1281569402920]

約数ペア:

[(1, 1281569402920), (2, 640784701460), (4, 320392350730), (5, 256313880584), (8, 160196175365), (10, 128156940292), (20, 64078470146), (40, 32039235073), (26423, 48502040), (52846, 24251020), (105692, 12125510), (132115, 9700408), (211384, 6062755), (264230, 4850204), (528460, 2425102), (1056920, 1212551)]