8278340

素因数分解:

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

素因数の和:2084

約数の個数: 48

約数和(自身を含む): 20563200

約数和(自身を除く): 12284860

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, 2039, 4060, 4078, 8156, 10195, 14273, 20390, 28546, 40780, 57092, 59131, 71365, 118262, 142730, 236524, 285460, 295655, 413917, 591310, 827834, 1182620, 1655668, 2069585, 4139170, 8278340]

約数ペア:

[(1, 8278340), (2, 4139170), (4, 2069585), (5, 1655668), (7, 1182620), (10, 827834), (14, 591310), (20, 413917), (28, 295655), (29, 285460), (35, 236524), (58, 142730), (70, 118262), (116, 71365), (140, 59131), (145, 57092), (203, 40780), (290, 28546), (406, 20390), (580, 14273), (812, 10195), (1015, 8156), (2030, 4078), (2039, 4060)]