918441680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{883117}}^1$

素因数の和:883143

約数の個数: 40

約数和(自身を含む): 2299639272

約数和(自身を除く): 1381197592

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 883117, 1766234, 3532468, 4415585, 7064936, 8831170, 11480521, 14129872, 17662340, 22961042, 35324680, 45922084, 57402605, 70649360, 91844168, 114805210, 183688336, 229610420, 459220840, 918441680]

約数ペア:

[(1, 918441680), (2, 459220840), (4, 229610420), (5, 183688336), (8, 114805210), (10, 91844168), (13, 70649360), (16, 57402605), (20, 45922084), (26, 35324680), (40, 22961042), (52, 17662340), (65, 14129872), (80, 11480521), (104, 8831170), (130, 7064936), (208, 4415585), (260, 3532468), (520, 1766234), (1040, 883117)]