128510590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{1597}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 249671520

約数和(自身を除く): 121160930

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 619, 1238, 1597, 3095, 3194, 6190, 7985, 8047, 15970, 16094, 20761, 40235, 41522, 80470, 103805, 207610, 988543, 1977086, 4942715, 9885430, 12851059, 25702118, 64255295, 128510590]

約数ペア:

[(1, 128510590), (2, 64255295), (5, 25702118), (10, 12851059), (13, 9885430), (26, 4942715), (65, 1977086), (130, 988543), (619, 207610), (1238, 103805), (1597, 80470), (3095, 41522), (3194, 40235), (6190, 20761), (7985, 16094), (8047, 15970)]