18000320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4327}}^1$

素因数の和:4357

約数の個数: 56

約数和(自身を含む): 46171104

約数和(自身を除く): 28170784

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4327, 8654, 17308, 21635, 34616, 43270, 56251, 69232, 86540, 112502, 138464, 173080, 225004, 276928, 281255, 346160, 450008, 562510, 692320, 900016, 1125020, 1384640, 1800032, 2250040, 3600064, 4500080, 9000160, 18000320]

約数ペア:

[(1, 18000320), (2, 9000160), (4, 4500080), (5, 3600064), (8, 2250040), (10, 1800032), (13, 1384640), (16, 1125020), (20, 900016), (26, 692320), (32, 562510), (40, 450008), (52, 346160), (64, 281255), (65, 276928), (80, 225004), (104, 173080), (130, 138464), (160, 112502), (208, 86540), (260, 69232), (320, 56251), (416, 43270), (520, 34616), (832, 21635), (1040, 17308), (2080, 8654), (4160, 4327)]