40202000

素因数分解:

$2^4\times 5^3\times {\mathrm{20101}}^1$

素因数の和:20124

約数の個数: 40

約数和(自身を含む): 97213272

約数和(自身を除く): 57011272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 20101, 40202, 80404, 100505, 160808, 201010, 321616, 402020, 502525, 804040, 1005050, 1608080, 2010100, 2512625, 4020200, 5025250, 8040400, 10050500, 20101000, 40202000]

約数ペア:

[(1, 40202000), (2, 20101000), (4, 10050500), (5, 8040400), (8, 5025250), (10, 4020200), (16, 2512625), (20, 2010100), (25, 1608080), (40, 1005050), (50, 804040), (80, 502525), (100, 402020), (125, 321616), (200, 201010), (250, 160808), (400, 100505), (500, 80404), (1000, 40202), (2000, 20101)]