16239740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 37636704

約数和(自身を除く): 21396964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 761, 970, 1067, 1522, 1940, 2134, 3044, 3805, 4268, 5335, 7610, 8371, 10670, 15220, 16742, 21340, 33484, 41855, 73817, 83710, 147634, 167420, 295268, 369085, 738170, 811987, 1476340, 1623974, 3247948, 4059935, 8119870, 16239740]

約数ペア:

[(1, 16239740), (2, 8119870), (4, 4059935), (5, 3247948), (10, 1623974), (11, 1476340), (20, 811987), (22, 738170), (44, 369085), (55, 295268), (97, 167420), (110, 147634), (194, 83710), (220, 73817), (388, 41855), (485, 33484), (761, 21340), (970, 16742), (1067, 15220), (1522, 10670), (1940, 8371), (2134, 7610), (3044, 5335), (3805, 4268)]