65666920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8779}}^1$

素因数の和:8818

約数の個数: 64

約数和(自身を含む): 170683200

約数和(自身を除く): 105016280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 8779, 17558, 35116, 43895, 70232, 87790, 96569, 149243, 175580, 193138, 298486, 351160, 386276, 482845, 596972, 746215, 772552, 965690, 1193944, 1492430, 1641673, 1931380, 2984860, 3283346, 3862760, 5969720, 6566692, 8208365, 13133384, 16416730, 32833460, 65666920]

約数ペア:

[(1, 65666920), (2, 32833460), (4, 16416730), (5, 13133384), (8, 8208365), (10, 6566692), (11, 5969720), (17, 3862760), (20, 3283346), (22, 2984860), (34, 1931380), (40, 1641673), (44, 1492430), (55, 1193944), (68, 965690), (85, 772552), (88, 746215), (110, 596972), (136, 482845), (170, 386276), (187, 351160), (220, 298486), (340, 193138), (374, 175580), (440, 149243), (680, 96569), (748, 87790), (935, 70232), (1496, 43895), (1870, 35116), (3740, 17558), (7480, 8779)]