8164640

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4639}}^1$

素因数の和:4665

約数の個数: 48

約数和(自身を含む): 21047040

約数和(自身を除く): 12882400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 4639, 9278, 18556, 23195, 37112, 46390, 51029, 74224, 92780, 102058, 148448, 185560, 204116, 255145, 371120, 408232, 510290, 742240, 816464, 1020580, 1632928, 2041160, 4082320, 8164640]

約数ペア:

[(1, 8164640), (2, 4082320), (4, 2041160), (5, 1632928), (8, 1020580), (10, 816464), (11, 742240), (16, 510290), (20, 408232), (22, 371120), (32, 255145), (40, 204116), (44, 185560), (55, 148448), (80, 102058), (88, 92780), (110, 74224), (160, 51029), (176, 46390), (220, 37112), (352, 23195), (440, 18556), (880, 9278), (1760, 4639)]