30920656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2437}}^1$

素因数の和:2519

約数の個数: 40

約数和(自身を含む): 65601704

約数和(自身を除く): 34681048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 2437, 3172, 4874, 6344, 9748, 12688, 19496, 31681, 38992, 63362, 126724, 148657, 253448, 297314, 506896, 594628, 1189256, 1932541, 2378512, 3865082, 7730164, 15460328, 30920656]

約数ペア:

[(1, 30920656), (2, 15460328), (4, 7730164), (8, 3865082), (13, 2378512), (16, 1932541), (26, 1189256), (52, 594628), (61, 506896), (104, 297314), (122, 253448), (208, 148657), (244, 126724), (488, 63362), (793, 38992), (976, 31681), (1586, 19496), (2437, 12688), (3172, 9748), (4874, 6344)]