91455920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67247}}^1$

素因数の和:67277

約数の個数: 40

約数和(自身を含む): 225146304

約数和(自身を除く): 133690384

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 67247, 134494, 268988, 336235, 537976, 672470, 1075952, 1143199, 1344940, 2286398, 2689880, 4572796, 5379760, 5715995, 9145592, 11431990, 18291184, 22863980, 45727960, 91455920]

約数ペア:

[(1, 91455920), (2, 45727960), (4, 22863980), (5, 18291184), (8, 11431990), (10, 9145592), (16, 5715995), (17, 5379760), (20, 4572796), (34, 2689880), (40, 2286398), (68, 1344940), (80, 1143199), (85, 1075952), (136, 672470), (170, 537976), (272, 336235), (340, 268988), (680, 134494), (1360, 67247)]