155291320

素因数分解:

$2^3\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{3539}}^1$

素因数の和:4647

約数の個数: 32

約数和(自身を含む): 349822800

約数和(自身を除く): 194531480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1097, 2194, 3539, 4388, 5485, 7078, 8776, 10970, 14156, 17695, 21940, 28312, 35390, 43880, 70780, 141560, 3882283, 7764566, 15529132, 19411415, 31058264, 38822830, 77645660, 155291320]

約数ペア:

[(1, 155291320), (2, 77645660), (4, 38822830), (5, 31058264), (8, 19411415), (10, 15529132), (20, 7764566), (40, 3882283), (1097, 141560), (2194, 70780), (3539, 43880), (4388, 35390), (5485, 28312), (7078, 21940), (8776, 17695), (10970, 14156)]