64394440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4721}}^1$

素因数の和:4774

約数の個数: 64

約数和(自身を含む): 163192320

約数和(自身を除く): 98797880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 4721, 6820, 9442, 13640, 18884, 23605, 37768, 47210, 51931, 94420, 103862, 146351, 188840, 207724, 259655, 292702, 415448, 519310, 585404, 731755, 1038620, 1170808, 1463510, 1609861, 2077240, 2927020, 3219722, 5854040, 6439444, 8049305, 12878888, 16098610, 32197220, 64394440]

約数ペア:

[(1, 64394440), (2, 32197220), (4, 16098610), (5, 12878888), (8, 8049305), (10, 6439444), (11, 5854040), (20, 3219722), (22, 2927020), (31, 2077240), (40, 1609861), (44, 1463510), (55, 1170808), (62, 1038620), (88, 731755), (110, 585404), (124, 519310), (155, 415448), (220, 292702), (248, 259655), (310, 207724), (341, 188840), (440, 146351), (620, 103862), (682, 94420), (1240, 51931), (1364, 47210), (1705, 37768), (2728, 23605), (3410, 18884), (4721, 13640), (6820, 9442)]