51256840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{587}}^1$

素因数の和:694

約数の個数: 64

約数和(自身を含む): 120657600

約数和(自身を除く): 69400760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 59, 74, 118, 148, 185, 236, 295, 296, 370, 472, 587, 590, 740, 1174, 1180, 1480, 2183, 2348, 2360, 2935, 4366, 4696, 5870, 8732, 10915, 11740, 17464, 21719, 21830, 23480, 34633, 43438, 43660, 69266, 86876, 87320, 108595, 138532, 173165, 173752, 217190, 277064, 346330, 434380, 692660, 868760, 1281421, 1385320, 2562842, 5125684, 6407105, 10251368, 12814210, 25628420, 51256840]

約数ペア:

[(1, 51256840), (2, 25628420), (4, 12814210), (5, 10251368), (8, 6407105), (10, 5125684), (20, 2562842), (37, 1385320), (40, 1281421), (59, 868760), (74, 692660), (118, 434380), (148, 346330), (185, 277064), (236, 217190), (295, 173752), (296, 173165), (370, 138532), (472, 108595), (587, 87320), (590, 86876), (740, 69266), (1174, 43660), (1180, 43438), (1480, 34633), (2183, 23480), (2348, 21830), (2360, 21719), (2935, 17464), (4366, 11740), (4696, 10915), (5870, 8732)]