80621200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 215048736

約数和(自身を除く): 134427536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 73, 80, 88, 100, 110, 146, 176, 200, 220, 251, 275, 292, 365, 400, 440, 502, 550, 584, 730, 803, 880, 1004, 1100, 1168, 1255, 1460, 1606, 1825, 2008, 2200, 2510, 2761, 2920, 3212, 3650, 4015, 4016, 4400, 5020, 5522, 5840, 6275, 6424, 7300, 8030, 10040, 11044, 12550, 12848, 13805, 14600, 16060, 18323, 20075, 20080, 22088, 25100, 27610, 29200, 32120, 36646, 40150, 44176, 50200, 55220, 64240, 69025, 73292, 80300, 91615, 100400, 110440, 138050, 146584, 160600, 183230, 201553, 220880, 276100, 293168, 321200, 366460, 403106, 458075, 552200, 732920, 806212, 916150, 1007765, 1104400, 1465840, 1612424, 1832300, 2015530, 3224848, 3664600, 4031060, 5038825, 7329200, 8062120, 10077650, 16124240, 20155300, 40310600, 80621200]

約数ペア:

[(1, 80621200), (2, 40310600), (4, 20155300), (5, 16124240), (8, 10077650), (10, 8062120), (11, 7329200), (16, 5038825), (20, 4031060), (22, 3664600), (25, 3224848), (40, 2015530), (44, 1832300), (50, 1612424), (55, 1465840), (73, 1104400), (80, 1007765), (88, 916150), (100, 806212), (110, 732920), (146, 552200), (176, 458075), (200, 403106), (220, 366460), (251, 321200), (275, 293168), (292, 276100), (365, 220880), (400, 201553), (440, 183230), (502, 160600), (550, 146584), (584, 138050), (730, 110440), (803, 100400), (880, 91615), (1004, 80300), (1100, 73292), (1168, 69025), (1255, 64240), (1460, 55220), (1606, 50200), (1825, 44176), (2008, 40150), (2200, 36646), (2510, 32120), (2761, 29200), (2920, 27610), (3212, 25100), (3650, 22088), (4015, 20080), (4016, 20075), (4400, 18323), (5020, 16060), (5522, 14600), (5840, 13805), (6275, 12848), (6424, 12550), (7300, 11044), (8030, 10040)]