20190320

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10973}}^1$

素因数の和:11009

約数の個数: 40

約数和(自身を含む): 48987936

約数和(自身を除く): 28797616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10973, 21946, 43892, 54865, 87784, 109730, 175568, 219460, 252379, 438920, 504758, 877840, 1009516, 1261895, 2019032, 2523790, 4038064, 5047580, 10095160, 20190320]

約数ペア:

[(1, 20190320), (2, 10095160), (4, 5047580), (5, 4038064), (8, 2523790), (10, 2019032), (16, 1261895), (20, 1009516), (23, 877840), (40, 504758), (46, 438920), (80, 252379), (92, 219460), (115, 175568), (184, 109730), (230, 87784), (368, 54865), (460, 43892), (920, 21946), (1840, 10973)]