1377889840

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{257069}}^1$

素因数の和:257149

約数の個数: 40

約数和(自身を含む): 3251421360

約数和(自身を除く): 1873531520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 257069, 514138, 1028276, 1285345, 2056552, 2570690, 4113104, 5141380, 10282760, 17223623, 20565520, 34447246, 68894492, 86118115, 137788984, 172236230, 275577968, 344472460, 688944920, 1377889840]

約数ペア:

[(1, 1377889840), (2, 688944920), (4, 344472460), (5, 275577968), (8, 172236230), (10, 137788984), (16, 86118115), (20, 68894492), (40, 34447246), (67, 20565520), (80, 17223623), (134, 10282760), (268, 5141380), (335, 4113104), (536, 2570690), (670, 2056552), (1072, 1285345), (1340, 1028276), (2680, 514138), (5360, 257069)]