23389840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4793}}^1$

素因数の和:4867

約数の個数: 40

約数和(自身を含む): 55284408

約数和(自身を除く): 31894568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4793, 4880, 9586, 19172, 23965, 38344, 47930, 76688, 95860, 191720, 292373, 383440, 584746, 1169492, 1461865, 2338984, 2923730, 4677968, 5847460, 11694920, 23389840]

約数ペア:

[(1, 23389840), (2, 11694920), (4, 5847460), (5, 4677968), (8, 2923730), (10, 2338984), (16, 1461865), (20, 1169492), (40, 584746), (61, 383440), (80, 292373), (122, 191720), (244, 95860), (305, 76688), (488, 47930), (610, 38344), (976, 23965), (1220, 19172), (2440, 9586), (4793, 4880)]