64644280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{24121}}^1$

素因数の和:24199

約数の個数: 32

約数和(自身を含む): 147626640

約数和(自身を除く): 82982360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 24121, 48242, 96484, 120605, 192968, 241210, 482420, 964840, 1616107, 3232214, 6464428, 8080535, 12928856, 16161070, 32322140, 64644280]

約数ペア:

[(1, 64644280), (2, 32322140), (4, 16161070), (5, 12928856), (8, 8080535), (10, 6464428), (20, 3232214), (40, 1616107), (67, 964840), (134, 482420), (268, 241210), (335, 192968), (536, 120605), (670, 96484), (1340, 48242), (2680, 24121)]