13089556475

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{1693}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 17556480480

約数和(自身を除く): 4466924005

約数列:

[1, 5, 19, 25, 41, 95, 205, 397, 475, 779, 1025, 1693, 1985, 3895, 7543, 8465, 9925, 16277, 19475, 32167, 37715, 42325, 69413, 81385, 160835, 188575, 309263, 347065, 406925, 672121, 804175, 1318847, 1546315, 1735325, 3360605, 6594235, 7731575, 12770299, 16803025, 27556961, 32971175, 63851495, 137784805, 319257475, 523582259, 688924025, 2617911295, 13089556475]

約数ペア:

[(1, 13089556475), (5, 2617911295), (19, 688924025), (25, 523582259), (41, 319257475), (95, 137784805), (205, 63851495), (397, 32971175), (475, 27556961), (779, 16803025), (1025, 12770299), (1693, 7731575), (1985, 6594235), (3895, 3360605), (7543, 1735325), (8465, 1546315), (9925, 1318847), (16277, 804175), (19475, 672121), (32167, 406925), (37715, 347065), (42325, 309263), (69413, 188575), (81385, 160835)]