85284680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{409}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 207673200

約数和(自身を除く): 122388520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 401, 409, 520, 802, 818, 1604, 1636, 2005, 2045, 3208, 3272, 4010, 4090, 5213, 5317, 8020, 8180, 10426, 10634, 16040, 16360, 20852, 21268, 26065, 26585, 41704, 42536, 52130, 53170, 104260, 106340, 164009, 208520, 212680, 328018, 656036, 820045, 1312072, 1640090, 2132117, 3280180, 4264234, 6560360, 8528468, 10660585, 17056936, 21321170, 42642340, 85284680]

約数ペア:

[(1, 85284680), (2, 42642340), (4, 21321170), (5, 17056936), (8, 10660585), (10, 8528468), (13, 6560360), (20, 4264234), (26, 3280180), (40, 2132117), (52, 1640090), (65, 1312072), (104, 820045), (130, 656036), (260, 328018), (401, 212680), (409, 208520), (520, 164009), (802, 106340), (818, 104260), (1604, 53170), (1636, 52130), (2005, 42536), (2045, 41704), (3208, 26585), (3272, 26065), (4010, 21268), (4090, 20852), (5213, 16360), (5317, 16040), (8020, 10634), (8180, 10426)]