2601860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 5927040

約数和(自身を除く): 3325180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 167, 190, 205, 334, 380, 410, 668, 779, 820, 835, 1558, 1670, 3116, 3173, 3340, 3895, 6346, 6847, 7790, 12692, 13694, 15580, 15865, 27388, 31730, 34235, 63460, 68470, 130093, 136940, 260186, 520372, 650465, 1300930, 2601860]

約数ペア:

[(1, 2601860), (2, 1300930), (4, 650465), (5, 520372), (10, 260186), (19, 136940), (20, 130093), (38, 68470), (41, 63460), (76, 34235), (82, 31730), (95, 27388), (164, 15865), (167, 15580), (190, 13694), (205, 12692), (334, 7790), (380, 6847), (410, 6346), (668, 3895), (779, 3340), (820, 3173), (835, 3116), (1558, 1670)]