71672120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137831}}^1$

素因数の和:137855

約数の個数: 32

約数和(自身を含む): 173668320

約数和(自身を除く): 101996200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 137831, 275662, 551324, 689155, 1102648, 1378310, 1791803, 2756620, 3583606, 5513240, 7167212, 8959015, 14334424, 17918030, 35836060, 71672120]

約数ペア:

[(1, 71672120), (2, 35836060), (4, 17918030), (5, 14334424), (8, 8959015), (10, 7167212), (13, 5513240), (20, 3583606), (26, 2756620), (40, 1791803), (52, 1378310), (65, 1102648), (104, 689155), (130, 551324), (260, 275662), (520, 137831)]