30505000

素因数分解:

$2^3\times 5^4\times {\mathrm{6101}}^1$

素因数の和:6127

約数の個数: 40

約数和(自身を含む): 71484930

約数和(自身を除く): 40979930

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 6101, 12202, 24404, 30505, 48808, 61010, 122020, 152525, 244040, 305050, 610100, 762625, 1220200, 1525250, 3050500, 3813125, 6101000, 7626250, 15252500, 30505000]

約数ペア:

[(1, 30505000), (2, 15252500), (4, 7626250), (5, 6101000), (8, 3813125), (10, 3050500), (20, 1525250), (25, 1220200), (40, 762625), (50, 610100), (100, 305050), (125, 244040), (200, 152525), (250, 122020), (500, 61010), (625, 48808), (1000, 30505), (1250, 24404), (2500, 12202), (5000, 6101)]