204963320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{165293}}^1$

素因数の和:165335

約数の個数: 32

約数和(自身を含む): 476046720

約数和(自身を除く): 271083400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 165293, 330586, 661172, 826465, 1322344, 1652930, 3305860, 5124083, 6611720, 10248166, 20496332, 25620415, 40992664, 51240830, 102481660, 204963320]

約数ペア:

[(1, 204963320), (2, 102481660), (4, 51240830), (5, 40992664), (8, 25620415), (10, 20496332), (20, 10248166), (31, 6611720), (40, 5124083), (62, 3305860), (124, 1652930), (155, 1322344), (248, 826465), (310, 661172), (620, 330586), (1240, 165293)]