8710649020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1\times {\mathrm{6571}}^1$

素因数の和:7498

約数の個数: 48

約数和(自身を含む): 18548812800

約数和(自身を除く): 9838163780

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 839, 1580, 1678, 3356, 4195, 6571, 8390, 13142, 16780, 26284, 32855, 65710, 66281, 131420, 132562, 265124, 331405, 519109, 662810, 1038218, 1325620, 2076436, 2595545, 5191090, 5513069, 10382180, 11026138, 22052276, 27565345, 55130690, 110261380, 435532451, 871064902, 1742129804, 2177662255, 4355324510, 8710649020]

約数ペア:

[(1, 8710649020), (2, 4355324510), (4, 2177662255), (5, 1742129804), (10, 871064902), (20, 435532451), (79, 110261380), (158, 55130690), (316, 27565345), (395, 22052276), (790, 11026138), (839, 10382180), (1580, 5513069), (1678, 5191090), (3356, 2595545), (4195, 2076436), (6571, 1325620), (8390, 1038218), (13142, 662810), (16780, 519109), (26284, 331405), (32855, 265124), (65710, 132562), (66281, 131420)]