25992320

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2425

約数の個数: 64

約数和(自身を含む): 65820600

約数和(自身を除く): 39828280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2389, 2720, 4778, 5440, 9556, 10880, 11945, 19112, 23890, 38224, 40613, 47780, 76448, 81226, 95560, 152896, 162452, 191120, 203065, 305792, 324904, 382240, 406130, 649808, 764480, 812260, 1299616, 1528960, 1624520, 2599232, 3249040, 5198464, 6498080, 12996160, 25992320]

約数ペア:

[(1, 25992320), (2, 12996160), (4, 6498080), (5, 5198464), (8, 3249040), (10, 2599232), (16, 1624520), (17, 1528960), (20, 1299616), (32, 812260), (34, 764480), (40, 649808), (64, 406130), (68, 382240), (80, 324904), (85, 305792), (128, 203065), (136, 191120), (160, 162452), (170, 152896), (272, 95560), (320, 81226), (340, 76448), (544, 47780), (640, 40613), (680, 38224), (1088, 23890), (1360, 19112), (2176, 11945), (2389, 10880), (2720, 9556), (4778, 5440)]