251680960

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19183}}^1$

素因数の和:19241

約数の個数: 56

約数和(自身を含む): 613964736

約数和(自身を除く): 362283776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 6560, 13120, 19183, 38366, 76732, 95915, 153464, 191830, 306928, 383660, 613856, 767320, 786503, 1227712, 1534640, 1573006, 3069280, 3146012, 3932515, 6138560, 6292024, 7865030, 12584048, 15730060, 25168096, 31460120, 50336192, 62920240, 125840480, 251680960]

約数ペア:

[(1, 251680960), (2, 125840480), (4, 62920240), (5, 50336192), (8, 31460120), (10, 25168096), (16, 15730060), (20, 12584048), (32, 7865030), (40, 6292024), (41, 6138560), (64, 3932515), (80, 3146012), (82, 3069280), (160, 1573006), (164, 1534640), (205, 1227712), (320, 786503), (328, 767320), (410, 613856), (656, 383660), (820, 306928), (1312, 191830), (1640, 153464), (2624, 95915), (3280, 76732), (6560, 38366), (13120, 19183)]