25014520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20173}}^1$

素因数の和:20215

約数の個数: 32

約数和(自身を含む): 58101120

約数和(自身を除く): 33086600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20173, 40346, 80692, 100865, 161384, 201730, 403460, 625363, 806920, 1250726, 2501452, 3126815, 5002904, 6253630, 12507260, 25014520]

約数ペア:

[(1, 25014520), (2, 12507260), (4, 6253630), (5, 5002904), (8, 3126815), (10, 2501452), (20, 1250726), (31, 806920), (40, 625363), (62, 403460), (124, 201730), (155, 161384), (248, 100865), (310, 80692), (620, 40346), (1240, 20173)]