20199764375

素因数分解:

$5^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1266

約数の個数: 80

約数和(自身を含む): 30284305920

約数和(自身を除く): 10084541545

約数列:

[1, 5, 7, 23, 25, 35, 115, 125, 161, 175, 197, 575, 625, 805, 875, 985, 1019, 1379, 2875, 4025, 4375, 4531, 4925, 5095, 6895, 7133, 14375, 20125, 22655, 23437, 24625, 25475, 31717, 34475, 35665, 100625, 113275, 117185, 123125, 127375, 158585, 164059, 172375, 178325, 200743, 566375, 585925, 636875, 792925, 820295, 861875, 891625, 1003715, 1405201, 2831875, 2929625, 3964625, 4101475, 4458125, 4617089, 5018575, 7026005, 14648125, 19823125, 20507375, 23085445, 25092875, 32319623, 35130025, 102536875, 115427225, 125464375, 161598115, 175650125, 577136125, 807990575, 878250625, 2885680625, 4039952875, 20199764375]

約数ペア:

[(1, 20199764375), (5, 4039952875), (7, 2885680625), (23, 878250625), (25, 807990575), (35, 577136125), (115, 175650125), (125, 161598115), (161, 125464375), (175, 115427225), (197, 102536875), (575, 35130025), (625, 32319623), (805, 25092875), (875, 23085445), (985, 20507375), (1019, 19823125), (1379, 14648125), (2875, 7026005), (4025, 5018575), (4375, 4617089), (4531, 4458125), (4925, 4101475), (5095, 3964625), (6895, 2929625), (7133, 2831875), (14375, 1405201), (20125, 1003715), (22655, 891625), (23437, 861875), (24625, 820295), (25475, 792925), (31717, 636875), (34475, 585925), (35665, 566375), (100625, 200743), (113275, 178325), (117185, 172375), (123125, 164059), (127375, 158585)]