38942500

素因数分解:

$2^2\times 5^4\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:482

約数の個数: 60

約数和(自身を含む): 87668812

約数和(自身を除く): 48726312

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 125, 148, 185, 250, 370, 421, 500, 625, 740, 842, 925, 1250, 1684, 1850, 2105, 2500, 3700, 4210, 4625, 8420, 9250, 10525, 15577, 18500, 21050, 23125, 31154, 42100, 46250, 52625, 62308, 77885, 92500, 105250, 155770, 210500, 263125, 311540, 389425, 526250, 778850, 1052500, 1557700, 1947125, 3894250, 7788500, 9735625, 19471250, 38942500]

約数ペア:

[(1, 38942500), (2, 19471250), (4, 9735625), (5, 7788500), (10, 3894250), (20, 1947125), (25, 1557700), (37, 1052500), (50, 778850), (74, 526250), (100, 389425), (125, 311540), (148, 263125), (185, 210500), (250, 155770), (370, 105250), (421, 92500), (500, 77885), (625, 62308), (740, 52625), (842, 46250), (925, 42100), (1250, 31154), (1684, 23125), (1850, 21050), (2105, 18500), (2500, 15577), (3700, 10525), (4210, 9250), (4625, 8420)]