87851840

素因数分解:

$2^6\times 5^1\times {\mathrm{281}}^1\times {\mathrm{977}}^1$

素因数の和:1275

約数の個数: 56

約数和(自身を含む): 210156552

約数和(自身を除く): 122304712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 281, 320, 562, 977, 1124, 1405, 1954, 2248, 2810, 3908, 4496, 4885, 5620, 7816, 8992, 9770, 11240, 15632, 17984, 19540, 22480, 31264, 39080, 44960, 62528, 78160, 89920, 156320, 274537, 312640, 549074, 1098148, 1372685, 2196296, 2745370, 4392592, 5490740, 8785184, 10981480, 17570368, 21962960, 43925920, 87851840]

約数ペア:

[(1, 87851840), (2, 43925920), (4, 21962960), (5, 17570368), (8, 10981480), (10, 8785184), (16, 5490740), (20, 4392592), (32, 2745370), (40, 2196296), (64, 1372685), (80, 1098148), (160, 549074), (281, 312640), (320, 274537), (562, 156320), (977, 89920), (1124, 78160), (1405, 62528), (1954, 44960), (2248, 39080), (2810, 31264), (3908, 22480), (4496, 19540), (4885, 17984), (5620, 15632), (7816, 11240), (8992, 9770)]