13289740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 30129120

約数和(自身を除く): 16839380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 853, 1558, 1706, 3116, 3412, 3895, 4265, 7790, 8530, 15580, 16207, 17060, 32414, 34973, 64828, 69946, 81035, 139892, 162070, 174865, 324140, 349730, 664487, 699460, 1328974, 2657948, 3322435, 6644870, 13289740]

約数ペア:

[(1, 13289740), (2, 6644870), (4, 3322435), (5, 2657948), (10, 1328974), (19, 699460), (20, 664487), (38, 349730), (41, 324140), (76, 174865), (82, 162070), (95, 139892), (164, 81035), (190, 69946), (205, 64828), (380, 34973), (410, 32414), (779, 17060), (820, 16207), (853, 15580), (1558, 8530), (1706, 7790), (3116, 4265), (3412, 3895)]