87123025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 36

約数和(自身を含む): 120523536

約数和(自身を除く): 33400511

約数列:

[1, 5, 11, 25, 55, 83, 121, 275, 347, 415, 605, 913, 1735, 2075, 3025, 3817, 4565, 8675, 10043, 19085, 22825, 28801, 41987, 50215, 95425, 144005, 209935, 251075, 316811, 720025, 1049675, 1584055, 3484921, 7920275, 17424605, 87123025]

約数ペア:

[(1, 87123025), (5, 17424605), (11, 7920275), (25, 3484921), (55, 1584055), (83, 1049675), (121, 720025), (275, 316811), (347, 251075), (415, 209935), (605, 144005), (913, 95425), (1735, 50215), (2075, 41987), (3025, 28801), (3817, 22825), (4565, 19085), (8675, 10043)]