12625990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 25508736

約数和(自身を除く): 12882746

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 241, 310, 338, 403, 482, 806, 845, 1205, 1690, 2015, 2410, 3133, 4030, 5239, 6266, 7471, 10478, 14942, 15665, 26195, 31330, 37355, 40729, 52390, 74710, 81458, 97123, 194246, 203645, 407290, 485615, 971230, 1262599, 2525198, 6312995, 12625990]

約数ペア:

[(1, 12625990), (2, 6312995), (5, 2525198), (10, 1262599), (13, 971230), (26, 485615), (31, 407290), (62, 203645), (65, 194246), (130, 97123), (155, 81458), (169, 74710), (241, 52390), (310, 40729), (338, 37355), (403, 31330), (482, 26195), (806, 15665), (845, 14942), (1205, 10478), (1690, 7471), (2015, 6266), (2410, 5239), (3133, 4030)]