54939760

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8693}}^1$

素因数の和:8785

約数の個数: 40

約数和(自身を含む): 129366720

約数和(自身を除く): 74426960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 8693, 17386, 34772, 43465, 69544, 86930, 139088, 173860, 347720, 686747, 695440, 1373494, 2746988, 3433735, 5493976, 6867470, 10987952, 13734940, 27469880, 54939760]

約数ペア:

[(1, 54939760), (2, 27469880), (4, 13734940), (5, 10987952), (8, 6867470), (10, 5493976), (16, 3433735), (20, 2746988), (40, 1373494), (79, 695440), (80, 686747), (158, 347720), (316, 173860), (395, 139088), (632, 86930), (790, 69544), (1264, 43465), (1580, 34772), (3160, 17386), (6320, 8693)]