25682720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1042

約数の個数: 96

約数和(自身を含む): 72430848

約数和(自身を除く): 46748128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 997, 1120, 1288, 1610, 1840, 1994, 2576, 3220, 3680, 3988, 4985, 5152, 6440, 6979, 7976, 9970, 12880, 13958, 15952, 19940, 22931, 25760, 27916, 31904, 34895, 39880, 45862, 55832, 69790, 79760, 91724, 111664, 114655, 139580, 159520, 160517, 183448, 223328, 229310, 279160, 321034, 366896, 458620, 558320, 642068, 733792, 802585, 917240, 1116640, 1284136, 1605170, 1834480, 2568272, 3210340, 3668960, 5136544, 6420680, 12841360, 25682720]

約数ペア:

[(1, 25682720), (2, 12841360), (4, 6420680), (5, 5136544), (7, 3668960), (8, 3210340), (10, 2568272), (14, 1834480), (16, 1605170), (20, 1284136), (23, 1116640), (28, 917240), (32, 802585), (35, 733792), (40, 642068), (46, 558320), (56, 458620), (70, 366896), (80, 321034), (92, 279160), (112, 229310), (115, 223328), (140, 183448), (160, 160517), (161, 159520), (184, 139580), (224, 114655), (230, 111664), (280, 91724), (322, 79760), (368, 69790), (460, 55832), (560, 45862), (644, 39880), (736, 34895), (805, 31904), (920, 27916), (997, 25760), (1120, 22931), (1288, 19940), (1610, 15952), (1840, 13958), (1994, 12880), (2576, 9970), (3220, 7976), (3680, 6979), (3988, 6440), (4985, 5152)]