19652800

素因数分解:

$2^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 84

約数和(自身を含む): 49322736

約数和(自身を除く): 29669936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 142, 160, 173, 200, 284, 320, 346, 355, 400, 568, 692, 710, 800, 865, 1136, 1384, 1420, 1600, 1730, 1775, 2272, 2768, 2840, 3460, 3550, 4325, 4544, 5536, 5680, 6920, 7100, 8650, 11072, 11360, 12283, 13840, 14200, 17300, 22720, 24566, 27680, 28400, 34600, 49132, 55360, 56800, 61415, 69200, 98264, 113600, 122830, 138400, 196528, 245660, 276800, 307075, 393056, 491320, 614150, 786112, 982640, 1228300, 1965280, 2456600, 3930560, 4913200, 9826400, 19652800]

約数ペア:

[(1, 19652800), (2, 9826400), (4, 4913200), (5, 3930560), (8, 2456600), (10, 1965280), (16, 1228300), (20, 982640), (25, 786112), (32, 614150), (40, 491320), (50, 393056), (64, 307075), (71, 276800), (80, 245660), (100, 196528), (142, 138400), (160, 122830), (173, 113600), (200, 98264), (284, 69200), (320, 61415), (346, 56800), (355, 55360), (400, 49132), (568, 34600), (692, 28400), (710, 27680), (800, 24566), (865, 22720), (1136, 17300), (1384, 14200), (1420, 13840), (1600, 12283), (1730, 11360), (1775, 11072), (2272, 8650), (2768, 7100), (2840, 6920), (3460, 5680), (3550, 5536), (4325, 4544)]