28852640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9491}}^1$

素因数の和:9525

約数の個数: 48

約数和(自身を含む): 71759520

約数和(自身を除く): 42906880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 9491, 18982, 37964, 47455, 75928, 94910, 151856, 180329, 189820, 303712, 360658, 379640, 721316, 759280, 901645, 1442632, 1518560, 1803290, 2885264, 3606580, 5770528, 7213160, 14426320, 28852640]

約数ペア:

[(1, 28852640), (2, 14426320), (4, 7213160), (5, 5770528), (8, 3606580), (10, 2885264), (16, 1803290), (19, 1518560), (20, 1442632), (32, 901645), (38, 759280), (40, 721316), (76, 379640), (80, 360658), (95, 303712), (152, 189820), (160, 180329), (190, 151856), (304, 94910), (380, 75928), (608, 47455), (760, 37964), (1520, 18982), (3040, 9491)]