72445280

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4483}}^1$

素因数の和:4599

約数の個数: 48

約数和(自身を含む): 172885104

約数和(自身を除く): 100439824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 4483, 8080, 8966, 16160, 17932, 22415, 35864, 44830, 71728, 89660, 143456, 179320, 358640, 452783, 717280, 905566, 1811132, 2263915, 3622264, 4527830, 7244528, 9055660, 14489056, 18111320, 36222640, 72445280]

約数ペア:

[(1, 72445280), (2, 36222640), (4, 18111320), (5, 14489056), (8, 9055660), (10, 7244528), (16, 4527830), (20, 3622264), (32, 2263915), (40, 1811132), (80, 905566), (101, 717280), (160, 452783), (202, 358640), (404, 179320), (505, 143456), (808, 89660), (1010, 71728), (1616, 44830), (2020, 35864), (3232, 22415), (4040, 17932), (4483, 16160), (8080, 8966)]