20131313264

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1\times {\mathrm{1289}}^1$

素因数の和:1770

約数の個数: 80

約数和(自身を含む): 40914568800

約数和(自身を除く): 20783255536

約数列:

[1, 2, 4, 8, 16, 29, 58, 97, 116, 194, 232, 347, 388, 464, 694, 776, 1289, 1388, 1552, 2578, 2776, 2813, 5156, 5552, 5626, 10063, 10312, 11252, 20126, 20624, 22504, 33659, 37381, 40252, 45008, 67318, 74762, 80504, 125033, 134636, 149524, 161008, 250066, 269272, 299048, 447283, 500132, 538544, 598096, 894566, 976111, 1000264, 1789132, 1952222, 2000528, 3578264, 3625957, 3904444, 7156528, 7251914, 7808888, 12971207, 14503828, 15617776, 25942414, 29007656, 43386451, 51884828, 58015312, 86772902, 103769656, 173545804, 207539312, 347091608, 694183216, 1258207079, 2516414158, 5032828316, 10065656632, 20131313264]

約数ペア:

[(1, 20131313264), (2, 10065656632), (4, 5032828316), (8, 2516414158), (16, 1258207079), (29, 694183216), (58, 347091608), (97, 207539312), (116, 173545804), (194, 103769656), (232, 86772902), (347, 58015312), (388, 51884828), (464, 43386451), (694, 29007656), (776, 25942414), (1289, 15617776), (1388, 14503828), (1552, 12971207), (2578, 7808888), (2776, 7251914), (2813, 7156528), (5156, 3904444), (5552, 3625957), (5626, 3578264), (10063, 2000528), (10312, 1952222), (11252, 1789132), (20126, 1000264), (20624, 976111), (22504, 894566), (33659, 598096), (37381, 538544), (40252, 500132), (45008, 447283), (67318, 299048), (74762, 269272), (80504, 250066), (125033, 161008), (134636, 149524)]