2008806520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{12743}}^1$

素因数の和:13324

約数の個数: 64

約数和(自身を含む): 5175083520

約数和(自身を除く): 3166277000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 563, 1126, 2252, 2815, 3941, 4504, 5630, 7882, 11260, 12743, 15764, 19705, 22520, 25486, 31528, 39410, 50972, 63715, 78820, 89201, 101944, 127430, 157640, 178402, 254860, 356804, 446005, 509720, 713608, 892010, 1784020, 3568040, 7174309, 14348618, 28697236, 35871545, 50220163, 57394472, 71743090, 100440326, 143486180, 200880652, 251100815, 286972360, 401761304, 502201630, 1004403260, 2008806520]

約数ペア:

[(1, 2008806520), (2, 1004403260), (4, 502201630), (5, 401761304), (7, 286972360), (8, 251100815), (10, 200880652), (14, 143486180), (20, 100440326), (28, 71743090), (35, 57394472), (40, 50220163), (56, 35871545), (70, 28697236), (140, 14348618), (280, 7174309), (563, 3568040), (1126, 1784020), (2252, 892010), (2815, 713608), (3941, 509720), (4504, 446005), (5630, 356804), (7882, 254860), (11260, 178402), (12743, 157640), (15764, 127430), (19705, 101944), (22520, 89201), (25486, 78820), (31528, 63715), (39410, 50972)]