25314680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:336

約数の個数: 64

約数和(自身を含む): 59724000

約数和(自身を除く): 34409320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 139, 145, 157, 232, 278, 290, 314, 556, 580, 628, 695, 785, 1112, 1160, 1256, 1390, 1570, 2780, 3140, 4031, 4553, 5560, 6280, 8062, 9106, 16124, 18212, 20155, 21823, 22765, 32248, 36424, 40310, 43646, 45530, 80620, 87292, 91060, 109115, 161240, 174584, 182120, 218230, 436460, 632867, 872920, 1265734, 2531468, 3164335, 5062936, 6328670, 12657340, 25314680]

約数ペア:

[(1, 25314680), (2, 12657340), (4, 6328670), (5, 5062936), (8, 3164335), (10, 2531468), (20, 1265734), (29, 872920), (40, 632867), (58, 436460), (116, 218230), (139, 182120), (145, 174584), (157, 161240), (232, 109115), (278, 91060), (290, 87292), (314, 80620), (556, 45530), (580, 43646), (628, 40310), (695, 36424), (785, 32248), (1112, 22765), (1160, 21823), (1256, 20155), (1390, 18212), (1570, 16124), (2780, 9106), (3140, 8062), (4031, 6280), (4553, 5560)]