2658760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5113}}^1$

素因数の和:5137

約数の個数: 32

約数和(自身を含む): 6443640

約数和(自身を除く): 3784880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5113, 10226, 20452, 25565, 40904, 51130, 66469, 102260, 132938, 204520, 265876, 332345, 531752, 664690, 1329380, 2658760]

約数ペア:

[(1, 2658760), (2, 1329380), (4, 664690), (5, 531752), (8, 332345), (10, 265876), (13, 204520), (20, 132938), (26, 102260), (40, 66469), (52, 51130), (65, 40904), (104, 25565), (130, 20452), (260, 10226), (520, 5113)]