87638720

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21067}}^1$

素因数の和:21097

約数の個数: 56

約数和(自身を含む): 224753424

約数和(自身を除く): 137114704

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, 21067, 42134, 84268, 105335, 168536, 210670, 273871, 337072, 421340, 547742, 674144, 842680, 1095484, 1348288, 1369355, 1685360, 2190968, 2738710, 3370720, 4381936, 5477420, 6741440, 8763872, 10954840, 17527744, 21909680, 43819360, 87638720]

約数ペア:

[(1, 87638720), (2, 43819360), (4, 21909680), (5, 17527744), (8, 10954840), (10, 8763872), (13, 6741440), (16, 5477420), (20, 4381936), (26, 3370720), (32, 2738710), (40, 2190968), (52, 1685360), (64, 1369355), (65, 1348288), (80, 1095484), (104, 842680), (130, 674144), (160, 547742), (208, 421340), (260, 337072), (320, 273871), (416, 210670), (520, 168536), (832, 105335), (1040, 84268), (2080, 42134), (4160, 21067)]