84863720

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3461}}^1$

素因数の和:4085

約数の個数: 32

約数和(自身を含む): 191310120

約数和(自身を除く): 106446400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 3461, 4904, 6130, 6922, 12260, 13844, 17305, 24520, 27688, 34610, 69220, 138440, 2121593, 4243186, 8486372, 10607965, 16972744, 21215930, 42431860, 84863720]

約数ペア:

[(1, 84863720), (2, 42431860), (4, 21215930), (5, 16972744), (8, 10607965), (10, 8486372), (20, 4243186), (40, 2121593), (613, 138440), (1226, 69220), (2452, 34610), (3065, 27688), (3461, 24520), (4904, 17305), (6130, 13844), (6922, 12260)]