51339140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{809}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 114307200

約数和(自身を除く): 62968060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 380, 668, 809, 835, 1618, 1670, 3173, 3236, 3340, 4045, 6346, 8090, 12692, 15371, 15865, 16180, 30742, 31730, 61484, 63460, 76855, 135103, 153710, 270206, 307420, 540412, 675515, 1351030, 2566957, 2702060, 5133914, 10267828, 12834785, 25669570, 51339140]

約数ペア:

[(1, 51339140), (2, 25669570), (4, 12834785), (5, 10267828), (10, 5133914), (19, 2702060), (20, 2566957), (38, 1351030), (76, 675515), (95, 540412), (167, 307420), (190, 270206), (334, 153710), (380, 135103), (668, 76855), (809, 63460), (835, 61484), (1618, 31730), (1670, 30742), (3173, 16180), (3236, 15865), (3340, 15371), (4045, 12692), (6346, 8090)]