144435920

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{26947}}^1$

素因数の和:27027

約数の個数: 40

約数和(自身を含む): 340838304

約数和(自身を除く): 196402384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 26947, 53894, 107788, 134735, 215576, 269470, 431152, 538940, 1077880, 1805449, 2155760, 3610898, 7221796, 9027245, 14443592, 18054490, 28887184, 36108980, 72217960, 144435920]

約数ペア:

[(1, 144435920), (2, 72217960), (4, 36108980), (5, 28887184), (8, 18054490), (10, 14443592), (16, 9027245), (20, 7221796), (40, 3610898), (67, 2155760), (80, 1805449), (134, 1077880), (268, 538940), (335, 431152), (536, 269470), (670, 215576), (1072, 134735), (1340, 107788), (2680, 53894), (5360, 26947)]