26720140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 58834944

約数和(自身を除く): 32114804

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 607, 620, 710, 1214, 1420, 2201, 2428, 3035, 4402, 6070, 8804, 11005, 12140, 18817, 22010, 37634, 43097, 44020, 75268, 86194, 94085, 172388, 188170, 215485, 376340, 430970, 861940, 1336007, 2672014, 5344028, 6680035, 13360070, 26720140]

約数ペア:

[(1, 26720140), (2, 13360070), (4, 6680035), (5, 5344028), (10, 2672014), (20, 1336007), (31, 861940), (62, 430970), (71, 376340), (124, 215485), (142, 188170), (155, 172388), (284, 94085), (310, 86194), (355, 75268), (607, 44020), (620, 43097), (710, 37634), (1214, 22010), (1420, 18817), (2201, 12140), (2428, 11005), (3035, 8804), (4402, 6070)]