157134080

素因数分解:

$2^8\times 5^1\times {\mathrm{122761}}^1$

素因数の和:122782

約数の個数: 36

約数和(自身を含む): 376388292

約数和(自身を除く): 219254212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 122761, 245522, 491044, 613805, 982088, 1227610, 1964176, 2455220, 3928352, 4910440, 7856704, 9820880, 15713408, 19641760, 31426816, 39283520, 78567040, 157134080]

約数ペア:

[(1, 157134080), (2, 78567040), (4, 39283520), (5, 31426816), (8, 19641760), (10, 15713408), (16, 9820880), (20, 7856704), (32, 4910440), (40, 3928352), (64, 2455220), (80, 1964176), (128, 1227610), (160, 982088), (256, 613805), (320, 491044), (640, 245522), (1280, 122761)]