15836420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 35078400

約数和(自身を除く): 19241980

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 173, 199, 230, 346, 398, 460, 692, 796, 865, 995, 1730, 1990, 3460, 3979, 3980, 4577, 7958, 9154, 15916, 18308, 19895, 22885, 34427, 39790, 45770, 68854, 79580, 91540, 137708, 172135, 344270, 688540, 791821, 1583642, 3167284, 3959105, 7918210, 15836420]

約数ペア:

[(1, 15836420), (2, 7918210), (4, 3959105), (5, 3167284), (10, 1583642), (20, 791821), (23, 688540), (46, 344270), (92, 172135), (115, 137708), (173, 91540), (199, 79580), (230, 68854), (346, 45770), (398, 39790), (460, 34427), (692, 22885), (796, 19895), (865, 18308), (995, 15916), (1730, 9154), (1990, 7958), (3460, 4577), (3979, 3980)]