13261340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 29417472

約数和(自身を除く): 16156132

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 127, 227, 230, 254, 454, 460, 508, 635, 908, 1135, 1270, 2270, 2540, 2921, 4540, 5221, 5842, 10442, 11684, 14605, 20884, 26105, 28829, 29210, 52210, 57658, 58420, 104420, 115316, 144145, 288290, 576580, 663067, 1326134, 2652268, 3315335, 6630670, 13261340]

約数ペア:

[(1, 13261340), (2, 6630670), (4, 3315335), (5, 2652268), (10, 1326134), (20, 663067), (23, 576580), (46, 288290), (92, 144145), (115, 115316), (127, 104420), (227, 58420), (230, 57658), (254, 52210), (454, 29210), (460, 28829), (508, 26105), (635, 20884), (908, 14605), (1135, 11684), (1270, 10442), (2270, 5842), (2540, 5221), (2921, 4540)]