28743080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19421}}^1$

素因数の和:19469

約数の個数: 32

約数和(自身を含む): 66423240

約数和(自身を除く): 37680160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 19421, 38842, 77684, 97105, 155368, 194210, 388420, 718577, 776840, 1437154, 2874308, 3592885, 5748616, 7185770, 14371540, 28743080]

約数ペア:

[(1, 28743080), (2, 14371540), (4, 7185770), (5, 5748616), (8, 3592885), (10, 2874308), (20, 1437154), (37, 776840), (40, 718577), (74, 388420), (148, 194210), (185, 155368), (296, 97105), (370, 77684), (740, 38842), (1480, 19421)]