26790920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51521}}^1$

素因数の和:51545

約数の個数: 32

約数和(自身を含む): 64917720

約数和(自身を除く): 38126800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 51521, 103042, 206084, 257605, 412168, 515210, 669773, 1030420, 1339546, 2060840, 2679092, 3348865, 5358184, 6697730, 13395460, 26790920]

約数ペア:

[(1, 26790920), (2, 13395460), (4, 6697730), (5, 5358184), (8, 3348865), (10, 2679092), (13, 2060840), (20, 1339546), (26, 1030420), (40, 669773), (52, 515210), (65, 412168), (104, 257605), (130, 206084), (260, 103042), (520, 51521)]