129510880

素因数分解:

$2^5\times 5^1\times {\mathrm{809443}}^1$

素因数の和:809458

約数の個数: 24

約数和(自身を含む): 305969832

約数和(自身を除く): 176458952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 809443, 1618886, 3237772, 4047215, 6475544, 8094430, 12951088, 16188860, 25902176, 32377720, 64755440, 129510880]

約数ペア:

[(1, 129510880), (2, 64755440), (4, 32377720), (5, 25902176), (8, 16188860), (10, 12951088), (16, 8094430), (20, 6475544), (32, 4047215), (40, 3237772), (80, 1618886), (160, 809443)]