49440640

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1239

約数の個数: 64

約数和(自身を含む): 120062160

約数和(自身を除く): 70621520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1153, 1340, 2144, 2306, 2680, 4288, 4612, 5360, 5765, 8576, 9224, 10720, 11530, 18448, 21440, 23060, 36896, 42880, 46120, 73792, 77251, 92240, 147584, 154502, 184480, 309004, 368960, 386255, 618008, 737920, 772510, 1236016, 1545020, 2472032, 3090040, 4944064, 6180080, 9888128, 12360160, 24720320, 49440640]

約数ペア:

[(1, 49440640), (2, 24720320), (4, 12360160), (5, 9888128), (8, 6180080), (10, 4944064), (16, 3090040), (20, 2472032), (32, 1545020), (40, 1236016), (64, 772510), (67, 737920), (80, 618008), (128, 386255), (134, 368960), (160, 309004), (268, 184480), (320, 154502), (335, 147584), (536, 92240), (640, 77251), (670, 73792), (1072, 46120), (1153, 42880), (1340, 36896), (2144, 23060), (2306, 21440), (2680, 18448), (4288, 11530), (4612, 10720), (5360, 9224), (5765, 8576)]