86571380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21323}}^1$

素因数の和:21368

約数の個数: 48

約数和(自身を含む): 214945920

約数和(自身を除く): 128374540

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, 21323, 42646, 85292, 106615, 149261, 213230, 298522, 426460, 597044, 618367, 746305, 1236734, 1492610, 2473468, 2985220, 3091835, 4328569, 6183670, 8657138, 12367340, 17314276, 21642845, 43285690, 86571380]

約数ペア:

[(1, 86571380), (2, 43285690), (4, 21642845), (5, 17314276), (7, 12367340), (10, 8657138), (14, 6183670), (20, 4328569), (28, 3091835), (29, 2985220), (35, 2473468), (58, 1492610), (70, 1236734), (116, 746305), (140, 618367), (145, 597044), (203, 426460), (290, 298522), (406, 213230), (580, 149261), (812, 106615), (1015, 85292), (2030, 42646), (4060, 21323)]