19941440

素因数分解:

$2^6\times 5^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:735

約数の個数: 56

約数和(自身を含む): 48033432

約数和(自身を除く): 28091992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 101, 160, 202, 320, 404, 505, 617, 808, 1010, 1234, 1616, 2020, 2468, 3085, 3232, 4040, 4936, 6170, 6464, 8080, 9872, 12340, 16160, 19744, 24680, 32320, 39488, 49360, 62317, 98720, 124634, 197440, 249268, 311585, 498536, 623170, 997072, 1246340, 1994144, 2492680, 3988288, 4985360, 9970720, 19941440]

約数ペア:

[(1, 19941440), (2, 9970720), (4, 4985360), (5, 3988288), (8, 2492680), (10, 1994144), (16, 1246340), (20, 997072), (32, 623170), (40, 498536), (64, 311585), (80, 249268), (101, 197440), (160, 124634), (202, 98720), (320, 62317), (404, 49360), (505, 39488), (617, 32320), (808, 24680), (1010, 19744), (1234, 16160), (1616, 12340), (2020, 9872), (2468, 8080), (3085, 6464), (3232, 6170), (4040, 4936)]