12423220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 27578880

約数和(自身を除く): 15155660

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 113, 115, 226, 230, 239, 452, 460, 478, 565, 956, 1130, 1195, 2260, 2390, 2599, 4780, 5198, 5497, 10396, 10994, 12995, 21988, 25990, 27007, 27485, 51980, 54014, 54970, 108028, 109940, 135035, 270070, 540140, 621161, 1242322, 2484644, 3105805, 6211610, 12423220]

約数ペア:

[(1, 12423220), (2, 6211610), (4, 3105805), (5, 2484644), (10, 1242322), (20, 621161), (23, 540140), (46, 270070), (92, 135035), (113, 109940), (115, 108028), (226, 54970), (230, 54014), (239, 51980), (452, 27485), (460, 27007), (478, 25990), (565, 21988), (956, 12995), (1130, 10994), (1195, 10396), (2260, 5497), (2390, 5198), (2599, 4780)]