30801290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7643}}^1$

素因数の和:7694

約数の個数: 32

約数和(自身を含む): 61641216

約数和(自身を除く): 30839926

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7643, 15286, 38215, 76430, 99359, 198718, 236933, 473866, 496795, 993590, 1184665, 2369330, 3080129, 6160258, 15400645, 30801290]

約数ペア:

[(1, 30801290), (2, 15400645), (5, 6160258), (10, 3080129), (13, 2369330), (26, 1184665), (31, 993590), (62, 496795), (65, 473866), (130, 236933), (155, 198718), (310, 99359), (403, 76430), (806, 38215), (2015, 15286), (4030, 7643)]