78126560

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28723}}^1$

素因数の和:28755

約数の個数: 48

約数和(自身を含む): 195438096

約数和(自身を除く): 117311536

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 28723, 57446, 114892, 143615, 229784, 287230, 459568, 488291, 574460, 919136, 976582, 1148920, 1953164, 2297840, 2441455, 3906328, 4595680, 4882910, 7812656, 9765820, 15625312, 19531640, 39063280, 78126560]

約数ペア:

[(1, 78126560), (2, 39063280), (4, 19531640), (5, 15625312), (8, 9765820), (10, 7812656), (16, 4882910), (17, 4595680), (20, 3906328), (32, 2441455), (34, 2297840), (40, 1953164), (68, 1148920), (80, 976582), (85, 919136), (136, 574460), (160, 488291), (170, 459568), (272, 287230), (340, 229784), (544, 143615), (680, 114892), (1360, 57446), (2720, 28723)]