39449440

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3121}}^1$

素因数の和:3215

約数の個数: 48

約数和(自身を含む): 94409280

約数和(自身を除く): 54959840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3121, 3160, 6242, 6320, 12484, 12640, 15605, 24968, 31210, 49936, 62420, 99872, 124840, 246559, 249680, 493118, 499360, 986236, 1232795, 1972472, 2465590, 3944944, 4931180, 7889888, 9862360, 19724720, 39449440]

約数ペア:

[(1, 39449440), (2, 19724720), (4, 9862360), (5, 7889888), (8, 4931180), (10, 3944944), (16, 2465590), (20, 1972472), (32, 1232795), (40, 986236), (79, 499360), (80, 493118), (158, 249680), (160, 246559), (316, 124840), (395, 99872), (632, 62420), (790, 49936), (1264, 31210), (1580, 24968), (2528, 15605), (3121, 12640), (3160, 12484), (6242, 6320)]