80509520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11059}}^1$

素因数の和:11092

約数の個数: 80

約数和(自身を含む): 230401920

約数和(自身を除く): 149892400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 11059, 22118, 44236, 55295, 77413, 88472, 110590, 143767, 154826, 176944, 221180, 287534, 309652, 387065, 442360, 575068, 619304, 718835, 774130, 884720, 1006369, 1150136, 1238608, 1437670, 1548260, 2012738, 2300272, 2875340, 3096520, 4025476, 5031845, 5750680, 6193040, 8050952, 10063690, 11501360, 16101904, 20127380, 40254760, 80509520]

約数ペア:

[(1, 80509520), (2, 40254760), (4, 20127380), (5, 16101904), (7, 11501360), (8, 10063690), (10, 8050952), (13, 6193040), (14, 5750680), (16, 5031845), (20, 4025476), (26, 3096520), (28, 2875340), (35, 2300272), (40, 2012738), (52, 1548260), (56, 1437670), (65, 1238608), (70, 1150136), (80, 1006369), (91, 884720), (104, 774130), (112, 718835), (130, 619304), (140, 575068), (182, 442360), (208, 387065), (260, 309652), (280, 287534), (364, 221180), (455, 176944), (520, 154826), (560, 143767), (728, 110590), (910, 88472), (1040, 77413), (1456, 55295), (1820, 44236), (3640, 22118), (7280, 11059)]