86555140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21319}}^1$

素因数の和:21364

約数の個数: 48

約数和(自身を含む): 214905600

約数和(自身を除く): 128350460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 21319, 42638, 85276, 106595, 149233, 213190, 298466, 426380, 596932, 618251, 746165, 1236502, 1492330, 2473004, 2984660, 3091255, 4327757, 6182510, 8655514, 12365020, 17311028, 21638785, 43277570, 86555140]

約数ペア:

[(1, 86555140), (2, 43277570), (4, 21638785), (5, 17311028), (7, 12365020), (10, 8655514), (14, 6182510), (20, 4327757), (28, 3091255), (29, 2984660), (35, 2473004), (58, 1492330), (70, 1236502), (116, 746165), (140, 618251), (145, 596932), (203, 426380), (290, 298466), (406, 213190), (580, 149233), (812, 106595), (1015, 85276), (2030, 42638), (4060, 21319)]