167804920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97561}}^1$

素因数の和:97615

約数の個数: 32

約数和(自身を含む): 386345520

約数和(自身を除く): 218540600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 97561, 195122, 390244, 487805, 780488, 975610, 1951220, 3902440, 4195123, 8390246, 16780492, 20975615, 33560984, 41951230, 83902460, 167804920]

約数ペア:

[(1, 167804920), (2, 83902460), (4, 41951230), (5, 33560984), (8, 20975615), (10, 16780492), (20, 8390246), (40, 4195123), (43, 3902440), (86, 1951220), (172, 975610), (215, 780488), (344, 487805), (430, 390244), (860, 195122), (1720, 97561)]