4128040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 11093760

約数和(自身を除く): 6965720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 641, 644, 805, 920, 1282, 1288, 1610, 2564, 3205, 3220, 4487, 5128, 6410, 6440, 8974, 12820, 14743, 17948, 22435, 25640, 29486, 35896, 44870, 58972, 73715, 89740, 103201, 117944, 147430, 179480, 206402, 294860, 412804, 516005, 589720, 825608, 1032010, 2064020, 4128040]

約数ペア:

[(1, 4128040), (2, 2064020), (4, 1032010), (5, 825608), (7, 589720), (8, 516005), (10, 412804), (14, 294860), (20, 206402), (23, 179480), (28, 147430), (35, 117944), (40, 103201), (46, 89740), (56, 73715), (70, 58972), (92, 44870), (115, 35896), (140, 29486), (161, 25640), (184, 22435), (230, 17948), (280, 14743), (322, 12820), (460, 8974), (641, 6440), (644, 6410), (805, 5128), (920, 4487), (1282, 3220), (1288, 3205), (1610, 2564)]