25788140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1103}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 62318592

約数和(自身を除く): 36530452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1103, 1169, 1670, 2206, 2338, 3340, 4412, 4676, 5515, 5845, 7721, 11030, 11690, 15442, 22060, 23380, 30884, 38605, 77210, 154420, 184201, 368402, 736804, 921005, 1289407, 1842010, 2578814, 3684020, 5157628, 6447035, 12894070, 25788140]

約数ペア:

[(1, 25788140), (2, 12894070), (4, 6447035), (5, 5157628), (7, 3684020), (10, 2578814), (14, 1842010), (20, 1289407), (28, 921005), (35, 736804), (70, 368402), (140, 184201), (167, 154420), (334, 77210), (668, 38605), (835, 30884), (1103, 23380), (1169, 22060), (1670, 15442), (2206, 11690), (2338, 11030), (3340, 7721), (4412, 5845), (4676, 5515)]