17950871740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1583}}^1\times {\mathrm{13829}}^1$

素因数の和:15462

約数の個数: 48

約数和(自身を含む): 38643454080

約数和(自身を除く): 20692582340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1583, 3166, 6332, 7915, 13829, 15830, 27658, 31660, 55316, 64903, 69145, 129806, 138290, 259612, 276580, 324515, 566989, 649030, 1133978, 1298060, 2267956, 2834945, 5669890, 11339780, 21891307, 43782614, 87565228, 109456535, 218913070, 437826140, 897543587, 1795087174, 3590174348, 4487717935, 8975435870, 17950871740]

約数ペア:

[(1, 17950871740), (2, 8975435870), (4, 4487717935), (5, 3590174348), (10, 1795087174), (20, 897543587), (41, 437826140), (82, 218913070), (164, 109456535), (205, 87565228), (410, 43782614), (820, 21891307), (1583, 11339780), (3166, 5669890), (6332, 2834945), (7915, 2267956), (13829, 1298060), (15830, 1133978), (27658, 649030), (31660, 566989), (55316, 324515), (64903, 276580), (69145, 259612), (129806, 138290)]