45118720

素因数分解:

$2^8\times 5^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 109456200

約数和(自身を除く): 64337480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 160, 202, 256, 320, 349, 404, 505, 640, 698, 808, 1010, 1280, 1396, 1616, 1745, 2020, 2792, 3232, 3490, 4040, 5584, 6464, 6980, 8080, 11168, 12928, 13960, 16160, 22336, 25856, 27920, 32320, 35249, 44672, 55840, 64640, 70498, 89344, 111680, 129280, 140996, 176245, 223360, 281992, 352490, 446720, 563984, 704980, 1127968, 1409960, 2255936, 2819920, 4511872, 5639840, 9023744, 11279680, 22559360, 45118720]

約数ペア:

[(1, 45118720), (2, 22559360), (4, 11279680), (5, 9023744), (8, 5639840), (10, 4511872), (16, 2819920), (20, 2255936), (32, 1409960), (40, 1127968), (64, 704980), (80, 563984), (101, 446720), (128, 352490), (160, 281992), (202, 223360), (256, 176245), (320, 140996), (349, 129280), (404, 111680), (505, 89344), (640, 70498), (698, 64640), (808, 55840), (1010, 44672), (1280, 35249), (1396, 32320), (1616, 27920), (1745, 25856), (2020, 22336), (2792, 16160), (3232, 13960), (3490, 12928), (4040, 11168), (5584, 8080), (6464, 6980)]