25391300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 61683552

約数和(自身を除く): 36292252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 563, 820, 902, 1025, 1100, 1126, 1804, 2050, 2252, 2255, 2815, 4100, 4510, 5630, 6193, 9020, 11260, 11275, 12386, 14075, 22550, 23083, 24772, 28150, 30965, 45100, 46166, 56300, 61930, 92332, 115415, 123860, 154825, 230830, 253913, 309650, 461660, 507826, 577075, 619300, 1015652, 1154150, 1269565, 2308300, 2539130, 5078260, 6347825, 12695650, 25391300]

約数ペア:

[(1, 25391300), (2, 12695650), (4, 6347825), (5, 5078260), (10, 2539130), (11, 2308300), (20, 1269565), (22, 1154150), (25, 1015652), (41, 619300), (44, 577075), (50, 507826), (55, 461660), (82, 309650), (100, 253913), (110, 230830), (164, 154825), (205, 123860), (220, 115415), (275, 92332), (410, 61930), (451, 56300), (550, 46166), (563, 45100), (820, 30965), (902, 28150), (1025, 24772), (1100, 23083), (1126, 22550), (1804, 14075), (2050, 12386), (2252, 11275), (2255, 11260), (2815, 9020), (4100, 6193), (4510, 5630)]