40593920

素因数分解:

$2^9\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 80

約数和(自身を含む): 98920008

約数和(自身を除く): 58326088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 128, 157, 160, 202, 256, 314, 320, 404, 505, 512, 628, 640, 785, 808, 1010, 1256, 1280, 1570, 1616, 2020, 2512, 2560, 3140, 3232, 4040, 5024, 6280, 6464, 8080, 10048, 12560, 12928, 15857, 16160, 20096, 25120, 25856, 31714, 32320, 40192, 50240, 51712, 63428, 64640, 79285, 80384, 100480, 126856, 129280, 158570, 200960, 253712, 258560, 317140, 401920, 507424, 634280, 1014848, 1268560, 2029696, 2537120, 4059392, 5074240, 8118784, 10148480, 20296960, 40593920]

約数ペア:

[(1, 40593920), (2, 20296960), (4, 10148480), (5, 8118784), (8, 5074240), (10, 4059392), (16, 2537120), (20, 2029696), (32, 1268560), (40, 1014848), (64, 634280), (80, 507424), (101, 401920), (128, 317140), (157, 258560), (160, 253712), (202, 200960), (256, 158570), (314, 129280), (320, 126856), (404, 100480), (505, 80384), (512, 79285), (628, 64640), (640, 63428), (785, 51712), (808, 50240), (1010, 40192), (1256, 32320), (1280, 31714), (1570, 25856), (1616, 25120), (2020, 20096), (2512, 16160), (2560, 15857), (3140, 12928), (3232, 12560), (4040, 10048), (5024, 8080), (6280, 6464)]