16556680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2039}}^1$

素因数の和:2086

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 27507320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2039, 4060, 4078, 8120, 8156, 10195, 14273, 16312, 20390, 28546, 40780, 57092, 59131, 71365, 81560, 114184, 118262, 142730, 236524, 285460, 295655, 413917, 473048, 570920, 591310, 827834, 1182620, 1655668, 2069585, 2365240, 3311336, 4139170, 8278340, 16556680]

約数ペア:

[(1, 16556680), (2, 8278340), (4, 4139170), (5, 3311336), (7, 2365240), (8, 2069585), (10, 1655668), (14, 1182620), (20, 827834), (28, 591310), (29, 570920), (35, 473048), (40, 413917), (56, 295655), (58, 285460), (70, 236524), (116, 142730), (140, 118262), (145, 114184), (203, 81560), (232, 71365), (280, 59131), (290, 57092), (406, 40780), (580, 28546), (812, 20390), (1015, 16312), (1160, 14273), (1624, 10195), (2030, 8156), (2039, 8120), (4060, 4078)]