11389820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:710

約数の個数: 48

約数和(自身を含む): 26163648

約数和(自身を除く): 14773828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 617, 710, 923, 1234, 1420, 1846, 2468, 3085, 3692, 4615, 6170, 8021, 9230, 12340, 16042, 18460, 32084, 40105, 43807, 80210, 87614, 160420, 175228, 219035, 438070, 569491, 876140, 1138982, 2277964, 2847455, 5694910, 11389820]

約数ペア:

[(1, 11389820), (2, 5694910), (4, 2847455), (5, 2277964), (10, 1138982), (13, 876140), (20, 569491), (26, 438070), (52, 219035), (65, 175228), (71, 160420), (130, 87614), (142, 80210), (260, 43807), (284, 40105), (355, 32084), (617, 18460), (710, 16042), (923, 12340), (1234, 9230), (1420, 8021), (1846, 6170), (2468, 4615), (3085, 3692)]