129900500

素因数分解:

$2^2\times 5^3\times {\mathrm{259801}}^1$

素因数の和:259820

約数の個数: 24

約数和(自身を含む): 283703784

約数和(自身を除く): 153803284

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 259801, 519602, 1039204, 1299005, 2598010, 5196020, 6495025, 12990050, 25980100, 32475125, 64950250, 129900500]

約数ペア:

[(1, 129900500), (2, 64950250), (4, 32475125), (5, 25980100), (10, 12990050), (20, 6495025), (25, 5196020), (50, 2598010), (100, 1299005), (125, 1039204), (250, 519602), (500, 259801)]