16155920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1669}}^1$

素因数の和:1704

約数の個数: 60

約数和(自身を含む): 41312460

約数和(自身を除く): 25156540

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1669, 1936, 2420, 3338, 4840, 6676, 8345, 9680, 13352, 16690, 18359, 26704, 33380, 36718, 66760, 73436, 91795, 133520, 146872, 183590, 201949, 293744, 367180, 403898, 734360, 807796, 1009745, 1468720, 1615592, 2019490, 3231184, 4038980, 8077960, 16155920]

約数ペア:

[(1, 16155920), (2, 8077960), (4, 4038980), (5, 3231184), (8, 2019490), (10, 1615592), (11, 1468720), (16, 1009745), (20, 807796), (22, 734360), (40, 403898), (44, 367180), (55, 293744), (80, 201949), (88, 183590), (110, 146872), (121, 133520), (176, 91795), (220, 73436), (242, 66760), (440, 36718), (484, 33380), (605, 26704), (880, 18359), (968, 16690), (1210, 13352), (1669, 9680), (1936, 8345), (2420, 6676), (3338, 4840)]