557440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 1456560

約数和(自身を除く): 899120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 67, 80, 104, 128, 130, 134, 160, 208, 260, 268, 320, 335, 416, 520, 536, 640, 670, 832, 871, 1040, 1072, 1340, 1664, 1742, 2080, 2144, 2680, 3484, 4160, 4288, 4355, 5360, 6968, 8320, 8576, 8710, 10720, 13936, 17420, 21440, 27872, 34840, 42880, 55744, 69680, 111488, 139360, 278720, 557440]

約数ペア:

[(1, 557440), (2, 278720), (4, 139360), (5, 111488), (8, 69680), (10, 55744), (13, 42880), (16, 34840), (20, 27872), (26, 21440), (32, 17420), (40, 13936), (52, 10720), (64, 8710), (65, 8576), (67, 8320), (80, 6968), (104, 5360), (128, 4355), (130, 4288), (134, 4160), (160, 3484), (208, 2680), (260, 2144), (268, 2080), (320, 1742), (335, 1664), (416, 1340), (520, 1072), (536, 1040), (640, 871), (670, 832)]