7968980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 17935680

約数和(自身を除く): 9966700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 313, 335, 380, 626, 670, 1252, 1273, 1340, 1565, 2546, 3130, 5092, 5947, 6260, 6365, 11894, 12730, 20971, 23788, 25460, 29735, 41942, 59470, 83884, 104855, 118940, 209710, 398449, 419420, 796898, 1593796, 1992245, 3984490, 7968980]

約数ペア:

[(1, 7968980), (2, 3984490), (4, 1992245), (5, 1593796), (10, 796898), (19, 419420), (20, 398449), (38, 209710), (67, 118940), (76, 104855), (95, 83884), (134, 59470), (190, 41942), (268, 29735), (313, 25460), (335, 23788), (380, 20971), (626, 12730), (670, 11894), (1252, 6365), (1273, 6260), (1340, 5947), (1565, 5092), (2546, 3130)]