67653620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{811}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 147056448

約数和(自身を除く): 79402828

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 172, 194, 215, 388, 430, 485, 811, 860, 970, 1622, 1940, 3244, 4055, 4171, 8110, 8342, 16220, 16684, 20855, 34873, 41710, 69746, 78667, 83420, 139492, 157334, 174365, 314668, 348730, 393335, 697460, 786670, 1573340, 3382681, 6765362, 13530724, 16913405, 33826810, 67653620]

約数ペア:

[(1, 67653620), (2, 33826810), (4, 16913405), (5, 13530724), (10, 6765362), (20, 3382681), (43, 1573340), (86, 786670), (97, 697460), (172, 393335), (194, 348730), (215, 314668), (388, 174365), (430, 157334), (485, 139492), (811, 83420), (860, 78667), (970, 69746), (1622, 41710), (1940, 34873), (3244, 20855), (4055, 16684), (4171, 16220), (8110, 8342)]