204467320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{164893}}^1$

素因数の和:164935

約数の個数: 32

約数和(自身を含む): 474894720

約数和(自身を除く): 270427400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 164893, 329786, 659572, 824465, 1319144, 1648930, 3297860, 5111683, 6595720, 10223366, 20446732, 25558415, 40893464, 51116830, 102233660, 204467320]

約数ペア:

[(1, 204467320), (2, 102233660), (4, 51116830), (5, 40893464), (8, 25558415), (10, 20446732), (20, 10223366), (31, 6595720), (40, 5111683), (62, 3297860), (124, 1648930), (155, 1319144), (248, 824465), (310, 659572), (620, 329786), (1240, 164893)]