78988160

素因数分解:

$2^7\times 5^1\times {\mathrm{123419}}^1$

素因数の和:123438

約数の個数: 32

約数和(自身を含む): 188832600

約数和(自身を除く): 109844440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 123419, 246838, 493676, 617095, 987352, 1234190, 1974704, 2468380, 3949408, 4936760, 7898816, 9873520, 15797632, 19747040, 39494080, 78988160]

約数ペア:

[(1, 78988160), (2, 39494080), (4, 19747040), (5, 15797632), (8, 9873520), (10, 7898816), (16, 4936760), (20, 3949408), (32, 2468380), (40, 1974704), (64, 1234190), (80, 987352), (128, 617095), (160, 493676), (320, 246838), (640, 123419)]