25617320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 62380800

約数和(自身を除く): 36763480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 911, 1406, 1480, 1822, 2812, 3515, 3644, 4555, 5624, 7030, 7288, 9110, 14060, 17309, 18220, 28120, 33707, 34618, 36440, 67414, 69236, 86545, 134828, 138472, 168535, 173090, 269656, 337070, 346180, 640433, 674140, 692360, 1280866, 1348280, 2561732, 3202165, 5123464, 6404330, 12808660, 25617320]

約数ペア:

[(1, 25617320), (2, 12808660), (4, 6404330), (5, 5123464), (8, 3202165), (10, 2561732), (19, 1348280), (20, 1280866), (37, 692360), (38, 674140), (40, 640433), (74, 346180), (76, 337070), (95, 269656), (148, 173090), (152, 168535), (185, 138472), (190, 134828), (296, 86545), (370, 69236), (380, 67414), (703, 36440), (740, 34618), (760, 33707), (911, 28120), (1406, 18220), (1480, 17309), (1822, 14060), (2812, 9110), (3515, 7288), (3644, 7030), (4555, 5624)]