15697087720

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1253761}}^1$

素因数の和:1254085

約数の個数: 32

約数和(自身を含む): 35431314120

約数和(自身を除く): 19734226400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 1253761, 2507522, 5015044, 6268805, 10030088, 12537610, 25075220, 50150440, 392427193, 784854386, 1569708772, 1962135965, 3139417544, 3924271930, 7848543860, 15697087720]

約数ペア:

[(1, 15697087720), (2, 7848543860), (4, 3924271930), (5, 3139417544), (8, 1962135965), (10, 1569708772), (20, 784854386), (40, 392427193), (313, 50150440), (626, 25075220), (1252, 12537610), (1565, 10030088), (2504, 6268805), (3130, 5015044), (6260, 2507522), (12520, 1253761)]