81182560

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7573}}^1$

素因数の和:7655

約数の個数: 48

約数和(自身を含む): 194682096

約数和(自身を除く): 113499536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 7573, 10720, 15146, 30292, 37865, 60584, 75730, 121168, 151460, 242336, 302920, 507391, 605840, 1014782, 1211680, 2029564, 2536955, 4059128, 5073910, 8118256, 10147820, 16236512, 20295640, 40591280, 81182560]

約数ペア:

[(1, 81182560), (2, 40591280), (4, 20295640), (5, 16236512), (8, 10147820), (10, 8118256), (16, 5073910), (20, 4059128), (32, 2536955), (40, 2029564), (67, 1211680), (80, 1014782), (134, 605840), (160, 507391), (268, 302920), (335, 242336), (536, 151460), (670, 121168), (1072, 75730), (1340, 60584), (2144, 37865), (2680, 30292), (5360, 15146), (7573, 10720)]