23365940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 55093248

約数和(自身を除く): 31727308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 223, 260, 310, 338, 403, 446, 620, 676, 806, 845, 892, 1115, 1612, 1690, 2015, 2230, 2899, 3380, 4030, 4460, 5239, 5798, 6913, 8060, 10478, 11596, 13826, 14495, 20956, 26195, 27652, 28990, 34565, 37687, 52390, 57980, 69130, 75374, 89869, 104780, 138260, 150748, 179738, 188435, 359476, 376870, 449345, 753740, 898690, 1168297, 1797380, 2336594, 4673188, 5841485, 11682970, 23365940]

約数ペア:

[(1, 23365940), (2, 11682970), (4, 5841485), (5, 4673188), (10, 2336594), (13, 1797380), (20, 1168297), (26, 898690), (31, 753740), (52, 449345), (62, 376870), (65, 359476), (124, 188435), (130, 179738), (155, 150748), (169, 138260), (223, 104780), (260, 89869), (310, 75374), (338, 69130), (403, 57980), (446, 52390), (620, 37687), (676, 34565), (806, 28990), (845, 27652), (892, 26195), (1115, 20956), (1612, 14495), (1690, 13826), (2015, 11596), (2230, 10478), (2899, 8060), (3380, 6913), (4030, 5798), (4460, 5239)]