65212240

素因数分解:

$2^4\times 5^1\times {\mathrm{887}}^1\times {\mathrm{919}}^1$

素因数の和:1819

約数の個数: 40

約数和(自身を含む): 151954560

約数和(自身を除く): 86742320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 887, 919, 1774, 1838, 3548, 3676, 4435, 4595, 7096, 7352, 8870, 9190, 14192, 14704, 17740, 18380, 35480, 36760, 70960, 73520, 815153, 1630306, 3260612, 4075765, 6521224, 8151530, 13042448, 16303060, 32606120, 65212240]

約数ペア:

[(1, 65212240), (2, 32606120), (4, 16303060), (5, 13042448), (8, 8151530), (10, 6521224), (16, 4075765), (20, 3260612), (40, 1630306), (80, 815153), (887, 73520), (919, 70960), (1774, 36760), (1838, 35480), (3548, 18380), (3676, 17740), (4435, 14704), (4595, 14192), (7096, 9190), (7352, 8870)]