81714380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6089}}^1$

素因数の和:6170

約数の個数: 48

約数和(自身を含む): 190300320

約数和(自身を除く): 108585940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6089, 6710, 12178, 13420, 24356, 30445, 60890, 66979, 121780, 133958, 267916, 334895, 371429, 669790, 742858, 1339580, 1485716, 1857145, 3714290, 4085719, 7428580, 8171438, 16342876, 20428595, 40857190, 81714380]

約数ペア:

[(1, 81714380), (2, 40857190), (4, 20428595), (5, 16342876), (10, 8171438), (11, 7428580), (20, 4085719), (22, 3714290), (44, 1857145), (55, 1485716), (61, 1339580), (110, 742858), (122, 669790), (220, 371429), (244, 334895), (305, 267916), (610, 133958), (671, 121780), (1220, 66979), (1342, 60890), (2684, 30445), (3355, 24356), (6089, 13420), (6710, 12178)]