16551880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 39988080

約数和(自身を除く): 23436200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 241, 340, 404, 482, 505, 680, 808, 964, 1010, 1205, 1717, 1928, 2020, 2410, 3434, 4040, 4097, 4820, 6868, 8194, 8585, 9640, 13736, 16388, 17170, 20485, 24341, 32776, 34340, 40970, 48682, 68680, 81940, 97364, 121705, 163880, 194728, 243410, 413797, 486820, 827594, 973640, 1655188, 2068985, 3310376, 4137970, 8275940, 16551880]

約数ペア:

[(1, 16551880), (2, 8275940), (4, 4137970), (5, 3310376), (8, 2068985), (10, 1655188), (17, 973640), (20, 827594), (34, 486820), (40, 413797), (68, 243410), (85, 194728), (101, 163880), (136, 121705), (170, 97364), (202, 81940), (241, 68680), (340, 48682), (404, 40970), (482, 34340), (505, 32776), (680, 24341), (808, 20485), (964, 17170), (1010, 16388), (1205, 13736), (1717, 9640), (1928, 8585), (2020, 8194), (2410, 6868), (3434, 4820), (4040, 4097)]