130805000

素因数分解:

$2^3\times 5^4\times {\mathrm{26161}}^1$

素因数の和:26187

約数の個数: 40

約数和(自身を含む): 306487830

約数和(自身を除く): 175682830

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 26161, 52322, 104644, 130805, 209288, 261610, 523220, 654025, 1046440, 1308050, 2616100, 3270125, 5232200, 6540250, 13080500, 16350625, 26161000, 32701250, 65402500, 130805000]

約数ペア:

[(1, 130805000), (2, 65402500), (4, 32701250), (5, 26161000), (8, 16350625), (10, 13080500), (20, 6540250), (25, 5232200), (40, 3270125), (50, 2616100), (100, 1308050), (125, 1046440), (200, 654025), (250, 523220), (500, 261610), (625, 209288), (1000, 130805), (1250, 104644), (2500, 52322), (5000, 26161)]