12691250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:117

約数の個数: 80

約数和(自身を含む): 28340928

約数和(自身を除く): 15649678

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 71, 110, 125, 130, 142, 143, 250, 275, 286, 325, 355, 550, 625, 650, 710, 715, 781, 923, 1250, 1375, 1430, 1562, 1625, 1775, 1846, 2750, 3250, 3550, 3575, 3905, 4615, 6875, 7150, 7810, 8125, 8875, 9230, 10153, 13750, 16250, 17750, 17875, 19525, 20306, 23075, 35750, 39050, 44375, 46150, 50765, 88750, 89375, 97625, 101530, 115375, 178750, 195250, 230750, 253825, 488125, 507650, 576875, 976250, 1153750, 1269125, 2538250, 6345625, 12691250]

約数ペア:

[(1, 12691250), (2, 6345625), (5, 2538250), (10, 1269125), (11, 1153750), (13, 976250), (22, 576875), (25, 507650), (26, 488125), (50, 253825), (55, 230750), (65, 195250), (71, 178750), (110, 115375), (125, 101530), (130, 97625), (142, 89375), (143, 88750), (250, 50765), (275, 46150), (286, 44375), (325, 39050), (355, 35750), (550, 23075), (625, 20306), (650, 19525), (710, 17875), (715, 17750), (781, 16250), (923, 13750), (1250, 10153), (1375, 9230), (1430, 8875), (1562, 8125), (1625, 7810), (1775, 7150), (1846, 6875), (2750, 4615), (3250, 3905), (3550, 3575)]