51884680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1930

約数の個数: 64

約数和(自身を含む): 126690480

約数和(自身を除く): 74805800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1394, 1640, 1861, 2788, 3485, 3722, 5576, 6970, 7444, 9305, 13940, 14888, 18610, 27880, 31637, 37220, 63274, 74440, 76301, 126548, 152602, 158185, 253096, 305204, 316370, 381505, 610408, 632740, 763010, 1265480, 1297117, 1526020, 2594234, 3052040, 5188468, 6485585, 10376936, 12971170, 25942340, 51884680]

約数ペア:

[(1, 51884680), (2, 25942340), (4, 12971170), (5, 10376936), (8, 6485585), (10, 5188468), (17, 3052040), (20, 2594234), (34, 1526020), (40, 1297117), (41, 1265480), (68, 763010), (82, 632740), (85, 610408), (136, 381505), (164, 316370), (170, 305204), (205, 253096), (328, 158185), (340, 152602), (410, 126548), (680, 76301), (697, 74440), (820, 63274), (1394, 37220), (1640, 31637), (1861, 27880), (2788, 18610), (3485, 14888), (3722, 13940), (5576, 9305), (6970, 7444)]