164568080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{30703}}^1$

素因数の和:30783

約数の個数: 40

約数和(自身を含む): 388344192

約数和(自身を除く): 223776112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 30703, 61406, 122812, 153515, 245624, 307030, 491248, 614060, 1228120, 2057101, 2456240, 4114202, 8228404, 10285505, 16456808, 20571010, 32913616, 41142020, 82284040, 164568080]

約数ペア:

[(1, 164568080), (2, 82284040), (4, 41142020), (5, 32913616), (8, 20571010), (10, 16456808), (16, 10285505), (20, 8228404), (40, 4114202), (67, 2456240), (80, 2057101), (134, 1228120), (268, 614060), (335, 491248), (536, 307030), (670, 245624), (1072, 153515), (1340, 122812), (2680, 61406), (5360, 30703)]