159207320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128393}}^1$

素因数の和:128435

約数の個数: 32

約数和(自身を含む): 369774720

約数和(自身を除く): 210567400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 128393, 256786, 513572, 641965, 1027144, 1283930, 2567860, 3980183, 5135720, 7960366, 15920732, 19900915, 31841464, 39801830, 79603660, 159207320]

約数ペア:

[(1, 159207320), (2, 79603660), (4, 39801830), (5, 31841464), (8, 19900915), (10, 15920732), (20, 7960366), (31, 5135720), (40, 3980183), (62, 2567860), (124, 1283930), (155, 1027144), (248, 641965), (310, 513572), (620, 256786), (1240, 128393)]