51234640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:980

約数の個数: 80

約数和(自身を含む): 128920320

約数和(自身を除く): 77685680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 911, 1406, 1480, 1520, 1822, 2812, 2960, 3515, 3644, 4555, 5624, 7030, 7288, 9110, 11248, 14060, 14576, 17309, 18220, 28120, 33707, 34618, 36440, 56240, 67414, 69236, 72880, 86545, 134828, 138472, 168535, 173090, 269656, 276944, 337070, 346180, 539312, 640433, 674140, 692360, 1280866, 1348280, 1384720, 2561732, 2696560, 3202165, 5123464, 6404330, 10246928, 12808660, 25617320, 51234640]

約数ペア:

[(1, 51234640), (2, 25617320), (4, 12808660), (5, 10246928), (8, 6404330), (10, 5123464), (16, 3202165), (19, 2696560), (20, 2561732), (37, 1384720), (38, 1348280), (40, 1280866), (74, 692360), (76, 674140), (80, 640433), (95, 539312), (148, 346180), (152, 337070), (185, 276944), (190, 269656), (296, 173090), (304, 168535), (370, 138472), (380, 134828), (592, 86545), (703, 72880), (740, 69236), (760, 67414), (911, 56240), (1406, 36440), (1480, 34618), (1520, 33707), (1822, 28120), (2812, 18220), (2960, 17309), (3515, 14576), (3644, 14060), (4555, 11248), (5624, 9110), (7030, 7288)]