16315840

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{761}}^1$

素因数の和:845

約数の個数: 56

約数和(自身を含む): 39483792

約数和(自身を除く): 23167952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 761, 1072, 1340, 1522, 2144, 2680, 3044, 3805, 4288, 5360, 6088, 7610, 10720, 12176, 15220, 21440, 24352, 30440, 48704, 50987, 60880, 101974, 121760, 203948, 243520, 254935, 407896, 509870, 815792, 1019740, 1631584, 2039480, 3263168, 4078960, 8157920, 16315840]

約数ペア:

[(1, 16315840), (2, 8157920), (4, 4078960), (5, 3263168), (8, 2039480), (10, 1631584), (16, 1019740), (20, 815792), (32, 509870), (40, 407896), (64, 254935), (67, 243520), (80, 203948), (134, 121760), (160, 101974), (268, 60880), (320, 50987), (335, 48704), (536, 30440), (670, 24352), (761, 21440), (1072, 15220), (1340, 12176), (1522, 10720), (2144, 7610), (2680, 6088), (3044, 5360), (3805, 4288)]