2100090205520

素因数分解:

$2^4\times 5^1\times {\mathrm{2357}}^1\times {\mathrm{11137517}}^1$

素因数の和:11139887

約数の個数: 40

約数和(自身を含む): 4884781744584

約数和(自身を除く): 2784691539064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2357, 4714, 9428, 11785, 18856, 23570, 37712, 47140, 94280, 188560, 11137517, 22275034, 44550068, 55687585, 89100136, 111375170, 178200272, 222750340, 445500680, 891001360, 26251127569, 52502255138, 105004510276, 131255637845, 210009020552, 262511275690, 420018041104, 525022551380, 1050045102760, 2100090205520]

約数ペア:

[(1, 2100090205520), (2, 1050045102760), (4, 525022551380), (5, 420018041104), (8, 262511275690), (10, 210009020552), (16, 131255637845), (20, 105004510276), (40, 52502255138), (80, 26251127569), (2357, 891001360), (4714, 445500680), (9428, 222750340), (11785, 178200272), (18856, 111375170), (23570, 89100136), (37712, 55687585), (47140, 44550068), (94280, 22275034), (188560, 11137517)]