259584910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{3923}}^1$

素因数の和:4452

約数の個数: 32

約数和(自身を含む): 504312480

約数和(自身を除く): 244727570

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 509, 1018, 2545, 3923, 5090, 6617, 7846, 13234, 19615, 33085, 39230, 50999, 66170, 101998, 254995, 509990, 1996807, 3993614, 9984035, 19968070, 25958491, 51916982, 129792455, 259584910]

約数ペア:

[(1, 259584910), (2, 129792455), (5, 51916982), (10, 25958491), (13, 19968070), (26, 9984035), (65, 3993614), (130, 1996807), (509, 509990), (1018, 254995), (2545, 101998), (3923, 66170), (5090, 50999), (6617, 39230), (7846, 33085), (13234, 19615)]