25575540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 76640256

約数和(自身を除く): 51064716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 430, 431, 460, 516, 645, 690, 860, 862, 989, 1290, 1293, 1380, 1724, 1978, 2155, 2580, 2586, 2967, 3956, 4310, 4945, 5172, 5934, 6465, 8620, 9890, 9913, 11868, 12930, 14835, 18533, 19780, 19826, 25860, 29670, 29739, 37066, 39652, 49565, 55599, 59340, 59478, 74132, 92665, 99130, 111198, 118956, 148695, 185330, 198260, 222396, 277995, 297390, 370660, 426259, 555990, 594780, 852518, 1111980, 1278777, 1705036, 2131295, 2557554, 4262590, 5115108, 6393885, 8525180, 12787770, 25575540]

約数ペア:

[(1, 25575540), (2, 12787770), (3, 8525180), (4, 6393885), (5, 5115108), (6, 4262590), (10, 2557554), (12, 2131295), (15, 1705036), (20, 1278777), (23, 1111980), (30, 852518), (43, 594780), (46, 555990), (60, 426259), (69, 370660), (86, 297390), (92, 277995), (115, 222396), (129, 198260), (138, 185330), (172, 148695), (215, 118956), (230, 111198), (258, 99130), (276, 92665), (345, 74132), (430, 59478), (431, 59340), (460, 55599), (516, 49565), (645, 39652), (690, 37066), (860, 29739), (862, 29670), (989, 25860), (1290, 19826), (1293, 19780), (1380, 18533), (1724, 14835), (1978, 12930), (2155, 11868), (2580, 9913), (2586, 9890), (2967, 8620), (3956, 6465), (4310, 5934), (4945, 5172)]