129552800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{12457}}^1$

素因数の和:12490

約数の個数: 72

約数和(自身を含む): 340626636

約数和(自身を除く): 211073836

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 10400, 12457, 24914, 49828, 62285, 99656, 124570, 161941, 199312, 249140, 311425, 323882, 398624, 498280, 622850, 647764, 809705, 996560, 1245700, 1295528, 1619410, 1993120, 2491400, 2591056, 3238820, 4048525, 4982800, 5182112, 6477640, 8097050, 9965600, 12955280, 16194100, 25910560, 32388200, 64776400, 129552800]

約数ペア:

[(1, 129552800), (2, 64776400), (4, 32388200), (5, 25910560), (8, 16194100), (10, 12955280), (13, 9965600), (16, 8097050), (20, 6477640), (25, 5182112), (26, 4982800), (32, 4048525), (40, 3238820), (50, 2591056), (52, 2491400), (65, 1993120), (80, 1619410), (100, 1295528), (104, 1245700), (130, 996560), (160, 809705), (200, 647764), (208, 622850), (260, 498280), (325, 398624), (400, 323882), (416, 311425), (520, 249140), (650, 199312), (800, 161941), (1040, 124570), (1300, 99656), (2080, 62285), (2600, 49828), (5200, 24914), (10400, 12457)]