2019945040

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{345881}}^1$

素因数の和:345967

約数の個数: 40

約数和(自身を含む): 4760719848

約数和(自身を除く): 2740774808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 5840, 345881, 691762, 1383524, 1729405, 2767048, 3458810, 5534096, 6917620, 13835240, 25249313, 27670480, 50498626, 100997252, 126246565, 201994504, 252493130, 403989008, 504986260, 1009972520, 2019945040]

約数ペア:

[(1, 2019945040), (2, 1009972520), (4, 504986260), (5, 403989008), (8, 252493130), (10, 201994504), (16, 126246565), (20, 100997252), (40, 50498626), (73, 27670480), (80, 25249313), (146, 13835240), (292, 6917620), (365, 5534096), (584, 3458810), (730, 2767048), (1168, 1729405), (1460, 1383524), (2920, 691762), (5840, 345881)]