68959720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20771}}^1$

素因数の和:20865

約数の個数: 32

約数和(自身を含む): 157036320

約数和(自身を除く): 88076600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 20771, 41542, 83084, 103855, 166168, 207710, 415420, 830840, 1723993, 3447986, 6895972, 8619965, 13791944, 17239930, 34479860, 68959720]

約数ペア:

[(1, 68959720), (2, 34479860), (4, 17239930), (5, 13791944), (8, 8619965), (10, 6895972), (20, 3447986), (40, 1723993), (83, 830840), (166, 415420), (332, 207710), (415, 166168), (664, 103855), (830, 83084), (1660, 41542), (3320, 20771)]