138450880

素因数分解:

$2^6\times 5^1\times {\mathrm{432659}}^1$

素因数の和:432676

約数の個数: 28

約数和(自身を含む): 329686920

約数和(自身を除く): 191236040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 432659, 865318, 1730636, 2163295, 3461272, 4326590, 6922544, 8653180, 13845088, 17306360, 27690176, 34612720, 69225440, 138450880]

約数ペア:

[(1, 138450880), (2, 69225440), (4, 34612720), (5, 27690176), (8, 17306360), (10, 13845088), (16, 8653180), (20, 6922544), (32, 4326590), (40, 3461272), (64, 2163295), (80, 1730636), (160, 865318), (320, 432659)]