40005720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{111127}}^1$

素因数の和:111144

約数の個数: 48

約数和(自身を含む): 130019760

約数和(自身を除く): 90014040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 111127, 222254, 333381, 444508, 555635, 666762, 889016, 1000143, 1111270, 1333524, 1666905, 2000286, 2222540, 2667048, 3333810, 4000572, 4445080, 5000715, 6667620, 8001144, 10001430, 13335240, 20002860, 40005720]

約数ペア:

[(1, 40005720), (2, 20002860), (3, 13335240), (4, 10001430), (5, 8001144), (6, 6667620), (8, 5000715), (9, 4445080), (10, 4000572), (12, 3333810), (15, 2667048), (18, 2222540), (20, 2000286), (24, 1666905), (30, 1333524), (36, 1111270), (40, 1000143), (45, 889016), (60, 666762), (72, 555635), (90, 444508), (120, 333381), (180, 222254), (360, 111127)]