131800960

素因数分解:

$2^7\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2159

約数の個数: 64

約数和(自身を含む): 318362400

約数和(自身を除く): 186561440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 320, 404, 505, 640, 808, 1010, 1616, 2020, 2039, 3232, 4040, 4078, 6464, 8080, 8156, 10195, 12928, 16160, 16312, 20390, 32320, 32624, 40780, 64640, 65248, 81560, 130496, 163120, 205939, 260992, 326240, 411878, 652480, 823756, 1029695, 1304960, 1647512, 2059390, 3295024, 4118780, 6590048, 8237560, 13180096, 16475120, 26360192, 32950240, 65900480, 131800960]

約数ペア:

[(1, 131800960), (2, 65900480), (4, 32950240), (5, 26360192), (8, 16475120), (10, 13180096), (16, 8237560), (20, 6590048), (32, 4118780), (40, 3295024), (64, 2059390), (80, 1647512), (101, 1304960), (128, 1029695), (160, 823756), (202, 652480), (320, 411878), (404, 326240), (505, 260992), (640, 205939), (808, 163120), (1010, 130496), (1616, 81560), (2020, 65248), (2039, 64640), (3232, 40780), (4040, 32624), (4078, 32320), (6464, 20390), (8080, 16312), (8156, 16160), (10195, 12928)]