20121480005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{937}}^1$

素因数の和:1190

約数の個数: 64

約数和(自身を含む): 27570896640

約数和(自身を除く): 7449416635

約数列:

[1, 5, 11, 41, 55, 89, 107, 205, 445, 451, 535, 937, 979, 1177, 2255, 3649, 4387, 4685, 4895, 5885, 9523, 10307, 18245, 21935, 38417, 40139, 47615, 48257, 51535, 83393, 100259, 104753, 192085, 200695, 241285, 390443, 416965, 422587, 501295, 523765, 917323, 1102849, 1952215, 2112935, 3419113, 4110619, 4294873, 4586615, 5514245, 8923051, 17095565, 20553095, 21474365, 37610243, 44615255, 45216809, 98153561, 188051215, 226084045, 365845091, 490767805, 1829225455, 4024296001, 20121480005]

約数ペア:

[(1, 20121480005), (5, 4024296001), (11, 1829225455), (41, 490767805), (55, 365845091), (89, 226084045), (107, 188051215), (205, 98153561), (445, 45216809), (451, 44615255), (535, 37610243), (937, 21474365), (979, 20553095), (1177, 17095565), (2255, 8923051), (3649, 5514245), (4387, 4586615), (4685, 4294873), (4895, 4110619), (5885, 3419113), (9523, 2112935), (10307, 1952215), (18245, 1102849), (21935, 917323), (38417, 523765), (40139, 501295), (47615, 422587), (48257, 416965), (51535, 390443), (83393, 241285), (100259, 200695), (104753, 192085)]