13791320

素因数分解:

$2^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{619}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 31136400

約数和(自身を除く): 17345080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 557, 619, 1114, 1238, 2228, 2476, 2785, 3095, 4456, 4952, 5570, 6190, 11140, 12380, 22280, 24760, 344783, 689566, 1379132, 1723915, 2758264, 3447830, 6895660, 13791320]

約数ペア:

[(1, 13791320), (2, 6895660), (4, 3447830), (5, 2758264), (8, 1723915), (10, 1379132), (20, 689566), (40, 344783), (557, 24760), (619, 22280), (1114, 12380), (1238, 11140), (2228, 6190), (2476, 5570), (2785, 4952), (3095, 4456)]