65021420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1398

約数の個数: 48

約数和(自身を含む): 144883200

約数和(自身を除く): 79861780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1231, 1390, 2462, 2641, 2780, 4924, 5282, 6155, 10564, 12310, 13205, 23389, 24620, 26410, 46778, 52820, 93556, 116945, 171109, 233890, 342218, 467780, 684436, 855545, 1711090, 3251071, 3422180, 6502142, 13004284, 16255355, 32510710, 65021420]

約数ペア:

[(1, 65021420), (2, 32510710), (4, 16255355), (5, 13004284), (10, 6502142), (19, 3422180), (20, 3251071), (38, 1711090), (76, 855545), (95, 684436), (139, 467780), (190, 342218), (278, 233890), (380, 171109), (556, 116945), (695, 93556), (1231, 52820), (1390, 46778), (2462, 26410), (2641, 24620), (2780, 23389), (4924, 13205), (5282, 12310), (6155, 10564)]