23647420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 52512768

約数和(自身を除く): 28865348

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 887, 1333, 1774, 2666, 3548, 4435, 5332, 6665, 8870, 13330, 17740, 26660, 27497, 38141, 54994, 76282, 109988, 137485, 152564, 190705, 274970, 381410, 549940, 762820, 1182371, 2364742, 4729484, 5911855, 11823710, 23647420]

約数ペア:

[(1, 23647420), (2, 11823710), (4, 5911855), (5, 4729484), (10, 2364742), (20, 1182371), (31, 762820), (43, 549940), (62, 381410), (86, 274970), (124, 190705), (155, 152564), (172, 137485), (215, 109988), (310, 76282), (430, 54994), (620, 38141), (860, 27497), (887, 26660), (1333, 17740), (1774, 13330), (2666, 8870), (3548, 6665), (4435, 5332)]