16517240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 38567880

約数和(自身を除く): 22050640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 491, 580, 841, 982, 1160, 1682, 1964, 2455, 3364, 3928, 4205, 4910, 6728, 8410, 9820, 14239, 16820, 19640, 28478, 33640, 56956, 71195, 113912, 142390, 284780, 412931, 569560, 825862, 1651724, 2064655, 3303448, 4129310, 8258620, 16517240]

約数ペア:

[(1, 16517240), (2, 8258620), (4, 4129310), (5, 3303448), (8, 2064655), (10, 1651724), (20, 825862), (29, 569560), (40, 412931), (58, 284780), (116, 142390), (145, 113912), (232, 71195), (290, 56956), (491, 33640), (580, 28478), (841, 19640), (982, 16820), (1160, 14239), (1682, 9820), (1964, 8410), (2455, 6728), (3364, 4910), (3928, 4205)]