155989720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{34511}}^1$

素因数の和:34635

約数の個数: 32

約数和(自身を含む): 354093120

約数和(自身を除く): 198103400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 34511, 69022, 138044, 172555, 276088, 345110, 690220, 1380440, 3899743, 7799486, 15598972, 19498715, 31197944, 38997430, 77994860, 155989720]

約数ペア:

[(1, 155989720), (2, 77994860), (4, 38997430), (5, 31197944), (8, 19498715), (10, 15598972), (20, 7799486), (40, 3899743), (113, 1380440), (226, 690220), (452, 345110), (565, 276088), (904, 172555), (1130, 138044), (2260, 69022), (4520, 34511)]