495344120

素因数分解:

$2^3\times 5^1\times {\mathrm{2243}}^1\times {\mathrm{5521}}^1$

素因数の和:7775

約数の個数: 32

約数和(自身を含む): 1115223120

約数和(自身を除く): 619879000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2243, 4486, 5521, 8972, 11042, 11215, 17944, 22084, 22430, 27605, 44168, 44860, 55210, 89720, 110420, 220840, 12383603, 24767206, 49534412, 61918015, 99068824, 123836030, 247672060, 495344120]

約数ペア:

[(1, 495344120), (2, 247672060), (4, 123836030), (5, 99068824), (8, 61918015), (10, 49534412), (20, 24767206), (40, 12383603), (2243, 220840), (4486, 110420), (5521, 89720), (8972, 55210), (11042, 44860), (11215, 44168), (17944, 27605), (22084, 22430)]