26527540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 60378192

約数和(自身を除く): 33850652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 397, 514, 794, 1028, 1285, 1588, 1985, 2570, 3341, 3970, 5140, 5161, 6682, 7940, 10322, 13364, 16705, 20644, 25805, 33410, 51610, 66820, 102029, 103220, 204058, 408116, 510145, 1020290, 1326377, 2040580, 2652754, 5305508, 6631885, 13263770, 26527540]

約数ペア:

[(1, 26527540), (2, 13263770), (4, 6631885), (5, 5305508), (10, 2652754), (13, 2040580), (20, 1326377), (26, 1020290), (52, 510145), (65, 408116), (130, 204058), (257, 103220), (260, 102029), (397, 66820), (514, 51610), (794, 33410), (1028, 25805), (1285, 20644), (1588, 16705), (1985, 13364), (2570, 10322), (3341, 7940), (3970, 6682), (5140, 5161)]