100865320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81343}}^1$

素因数の和:81385

約数の個数: 32

約数和(自身を含む): 234270720

約数和(自身を除く): 133405400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 81343, 162686, 325372, 406715, 650744, 813430, 1626860, 2521633, 3253720, 5043266, 10086532, 12608165, 20173064, 25216330, 50432660, 100865320]

約数ペア:

[(1, 100865320), (2, 50432660), (4, 25216330), (5, 20173064), (8, 12608165), (10, 10086532), (20, 5043266), (31, 3253720), (40, 2521633), (62, 1626860), (124, 813430), (155, 650744), (248, 406715), (310, 325372), (620, 162686), (1240, 81343)]