81082690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1987

約数の個数: 64

約数和(自身を含む): 175271040

約数和(自身を除く): 94188350

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 646, 1105, 1235, 1615, 1931, 2210, 2470, 3230, 3862, 4199, 8398, 9655, 19310, 20995, 25103, 32827, 36689, 41990, 50206, 65654, 73378, 125515, 164135, 183445, 251030, 328270, 366890, 426751, 476957, 623713, 853502, 953914, 1247426, 2133755, 2384785, 3118565, 4267510, 4769570, 6237130, 8108269, 16216538, 40541345, 81082690]

約数ペア:

[(1, 81082690), (2, 40541345), (5, 16216538), (10, 8108269), (13, 6237130), (17, 4769570), (19, 4267510), (26, 3118565), (34, 2384785), (38, 2133755), (65, 1247426), (85, 953914), (95, 853502), (130, 623713), (170, 476957), (190, 426751), (221, 366890), (247, 328270), (323, 251030), (442, 183445), (494, 164135), (646, 125515), (1105, 73378), (1235, 65654), (1615, 50206), (1931, 41990), (2210, 36689), (2470, 32827), (3230, 25103), (3862, 20995), (4199, 19310), (8398, 9655)]