203122000

素因数分解:

$2^4\times 5^3\times {\mathrm{101561}}^1$

素因数の和:101584

約数の個数: 40

約数和(自身を含む): 491153832

約数和(自身を除く): 288031832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 101561, 203122, 406244, 507805, 812488, 1015610, 1624976, 2031220, 2539025, 4062440, 5078050, 8124880, 10156100, 12695125, 20312200, 25390250, 40624400, 50780500, 101561000, 203122000]

約数ペア:

[(1, 203122000), (2, 101561000), (4, 50780500), (5, 40624400), (8, 25390250), (10, 20312200), (16, 12695125), (20, 10156100), (25, 8124880), (40, 5078050), (50, 4062440), (80, 2539025), (100, 2031220), (125, 1624976), (200, 1015610), (250, 812488), (400, 507805), (500, 406244), (1000, 203122), (2000, 101561)]