140656420

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{19163}}^1$

素因数の和:19539

約数の個数: 24

約数和(自身を含む): 296198784

約数和(自身を除く): 155542364

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 19163, 38326, 76652, 95815, 191630, 383260, 7032821, 14065642, 28131284, 35164105, 70328210, 140656420]

約数ペア:

[(1, 140656420), (2, 70328210), (4, 35164105), (5, 28131284), (10, 14065642), (20, 7032821), (367, 383260), (734, 191630), (1468, 95815), (1835, 76652), (3670, 38326), (7340, 19163)]