128230700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{98639}}^1$

素因数の和:98666

約数の個数: 36

約数和(自身を含む): 299668320

約数和(自身を除く): 171437620

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 98639, 197278, 394556, 493195, 986390, 1282307, 1972780, 2465975, 2564614, 4931950, 5129228, 6411535, 9863900, 12823070, 25646140, 32057675, 64115350, 128230700]

約数ペア:

[(1, 128230700), (2, 64115350), (4, 32057675), (5, 25646140), (10, 12823070), (13, 9863900), (20, 6411535), (25, 5129228), (26, 4931950), (50, 2564614), (52, 2465975), (65, 1972780), (100, 1282307), (130, 986390), (260, 493195), (325, 394556), (650, 197278), (1300, 98639)]