8197640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 20805120

約数和(自身を除く): 12607480

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, 601, 620, 682, 1202, 1240, 1364, 1705, 2404, 2728, 3005, 3410, 4808, 6010, 6611, 6820, 12020, 13222, 13640, 18631, 24040, 26444, 33055, 37262, 52888, 66110, 74524, 93155, 132220, 149048, 186310, 204941, 264440, 372620, 409882, 745240, 819764, 1024705, 1639528, 2049410, 4098820, 8197640]

約数ペア:

[(1, 8197640), (2, 4098820), (4, 2049410), (5, 1639528), (8, 1024705), (10, 819764), (11, 745240), (20, 409882), (22, 372620), (31, 264440), (40, 204941), (44, 186310), (55, 149048), (62, 132220), (88, 93155), (110, 74524), (124, 66110), (155, 52888), (220, 37262), (248, 33055), (310, 26444), (341, 24040), (440, 18631), (601, 13640), (620, 13222), (682, 12020), (1202, 6820), (1240, 6611), (1364, 6010), (1705, 4808), (2404, 3410), (2728, 3005)]