87294520

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{8053}}^1$

素因数の和:8335

約数の個数: 32

約数和(自身を含む): 197161920

約数和(自身を除く): 109867400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 8053, 10840, 16106, 32212, 40265, 64424, 80530, 161060, 322120, 2182363, 4364726, 8729452, 10911815, 17458904, 21823630, 43647260, 87294520]

約数ペア:

[(1, 87294520), (2, 43647260), (4, 21823630), (5, 17458904), (8, 10911815), (10, 8729452), (20, 4364726), (40, 2182363), (271, 322120), (542, 161060), (1084, 80530), (1355, 64424), (2168, 40265), (2710, 32212), (5420, 16106), (8053, 10840)]