56145880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{839}}^1$

素因数の和:1096

約数の個数: 64

約数和(自身を含む): 145152000

約数和(自身を除く): 89006120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 839, 956, 1195, 1673, 1678, 1912, 2390, 3346, 3356, 4195, 4780, 5873, 6692, 6712, 8365, 8390, 9560, 11746, 13384, 16730, 16780, 23492, 29365, 33460, 33560, 46984, 58730, 66920, 117460, 200521, 234920, 401042, 802084, 1002605, 1403647, 1604168, 2005210, 2807294, 4010420, 5614588, 7018235, 8020840, 11229176, 14036470, 28072940, 56145880]

約数ペア:

[(1, 56145880), (2, 28072940), (4, 14036470), (5, 11229176), (7, 8020840), (8, 7018235), (10, 5614588), (14, 4010420), (20, 2807294), (28, 2005210), (35, 1604168), (40, 1403647), (56, 1002605), (70, 802084), (140, 401042), (239, 234920), (280, 200521), (478, 117460), (839, 66920), (956, 58730), (1195, 46984), (1673, 33560), (1678, 33460), (1912, 29365), (2390, 23492), (3346, 16780), (3356, 16730), (4195, 13384), (4780, 11746), (5873, 9560), (6692, 8390), (6712, 8365)]