13889240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 33730560

約数和(自身を除く): 19841320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 487, 620, 713, 920, 974, 1240, 1426, 1948, 2435, 2852, 3565, 3896, 4870, 5704, 7130, 9740, 11201, 14260, 15097, 19480, 22402, 28520, 30194, 44804, 56005, 60388, 75485, 89608, 112010, 120776, 150970, 224020, 301940, 347231, 448040, 603880, 694462, 1388924, 1736155, 2777848, 3472310, 6944620, 13889240]

約数ペア:

[(1, 13889240), (2, 6944620), (4, 3472310), (5, 2777848), (8, 1736155), (10, 1388924), (20, 694462), (23, 603880), (31, 448040), (40, 347231), (46, 301940), (62, 224020), (92, 150970), (115, 120776), (124, 112010), (155, 89608), (184, 75485), (230, 60388), (248, 56005), (310, 44804), (460, 30194), (487, 28520), (620, 22402), (713, 19480), (920, 15097), (974, 14260), (1240, 11201), (1426, 9740), (1948, 7130), (2435, 5704), (2852, 4870), (3565, 3896)]