2005492040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71933}}^1$

素因数の和:72002

約数の個数: 64

約数和(自身を含む): 4894389360

約数和(自身を除く): 2888897320

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, 2788, 3485, 5576, 6970, 13940, 27880, 71933, 143866, 287732, 359665, 575464, 719330, 1222861, 1438660, 2445722, 2877320, 2949253, 4891444, 5898506, 6114305, 9782888, 11797012, 12228610, 14746265, 23594024, 24457220, 29492530, 48914440, 50137301, 58985060, 100274602, 117970120, 200549204, 250686505, 401098408, 501373010, 1002746020, 2005492040]

約数ペア:

[(1, 2005492040), (2, 1002746020), (4, 501373010), (5, 401098408), (8, 250686505), (10, 200549204), (17, 117970120), (20, 100274602), (34, 58985060), (40, 50137301), (41, 48914440), (68, 29492530), (82, 24457220), (85, 23594024), (136, 14746265), (164, 12228610), (170, 11797012), (205, 9782888), (328, 6114305), (340, 5898506), (410, 4891444), (680, 2949253), (697, 2877320), (820, 2445722), (1394, 1438660), (1640, 1222861), (2788, 719330), (3485, 575464), (5576, 359665), (6970, 287732), (13940, 143866), (27880, 71933)]