91137920

素因数分解:

$2^7\times 5^1\times {\mathrm{142403}}^1$

素因数の和:142422

約数の個数: 32

約数和(自身を含む): 217878120

約数和(自身を除く): 126740200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 142403, 284806, 569612, 712015, 1139224, 1424030, 2278448, 2848060, 4556896, 5696120, 9113792, 11392240, 18227584, 22784480, 45568960, 91137920]

約数ペア:

[(1, 91137920), (2, 45568960), (4, 22784480), (5, 18227584), (8, 11392240), (10, 9113792), (16, 5696120), (20, 4556896), (32, 2848060), (40, 2278448), (64, 1424030), (80, 1139224), (128, 712015), (160, 569612), (320, 284806), (640, 142403)]