31495750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:922

約数の個数: 64

約数和(自身を含む): 69346368

約数和(自身を除く): 37850618

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 125, 130, 143, 250, 275, 286, 325, 550, 650, 715, 881, 1375, 1430, 1625, 1762, 2750, 3250, 3575, 4405, 7150, 8810, 9691, 11453, 17875, 19382, 22025, 22906, 35750, 44050, 48455, 57265, 96910, 110125, 114530, 125983, 220250, 242275, 251966, 286325, 484550, 572650, 629915, 1211375, 1259830, 1431625, 2422750, 2863250, 3149575, 6299150, 15747875, 31495750]

約数ペア:

[(1, 31495750), (2, 15747875), (5, 6299150), (10, 3149575), (11, 2863250), (13, 2422750), (22, 1431625), (25, 1259830), (26, 1211375), (50, 629915), (55, 572650), (65, 484550), (110, 286325), (125, 251966), (130, 242275), (143, 220250), (250, 125983), (275, 114530), (286, 110125), (325, 96910), (550, 57265), (650, 48455), (715, 44050), (881, 35750), (1375, 22906), (1430, 22025), (1625, 19382), (1762, 17875), (2750, 11453), (3250, 9691), (3575, 8810), (4405, 7150)]