16456220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 38054016

約数和(自身を除く): 21597796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 571, 655, 1142, 1310, 1441, 2284, 2620, 2855, 2882, 5710, 5764, 6281, 7205, 11420, 12562, 14410, 25124, 28820, 31405, 62810, 74801, 125620, 149602, 299204, 374005, 748010, 822811, 1496020, 1645622, 3291244, 4114055, 8228110, 16456220]

約数ペア:

[(1, 16456220), (2, 8228110), (4, 4114055), (5, 3291244), (10, 1645622), (11, 1496020), (20, 822811), (22, 748010), (44, 374005), (55, 299204), (110, 149602), (131, 125620), (220, 74801), (262, 62810), (524, 31405), (571, 28820), (655, 25124), (1142, 14410), (1310, 12562), (1441, 11420), (2284, 7205), (2620, 6281), (2855, 5764), (2882, 5710)]