72344840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{16903}}^1$

素因数の和:17021

約数の個数: 32

約数和(自身を含む): 164306880

約数和(自身を除く): 91962040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 16903, 33806, 67612, 84515, 135224, 169030, 338060, 676120, 1808621, 3617242, 7234484, 9043105, 14468968, 18086210, 36172420, 72344840]

約数ペア:

[(1, 72344840), (2, 36172420), (4, 18086210), (5, 14468968), (8, 9043105), (10, 7234484), (20, 3617242), (40, 1808621), (107, 676120), (214, 338060), (428, 169030), (535, 135224), (856, 84515), (1070, 67612), (2140, 33806), (4280, 16903)]