1948880560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2214637}}^1$

素因数の和:2214661

約数の個数: 40

約数和(自身を含む): 4943072016

約数和(自身を除く): 2994191456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2214637, 4429274, 8858548, 11073185, 17717096, 22146370, 24361007, 35434192, 44292740, 48722014, 88585480, 97444028, 121805035, 177170960, 194888056, 243610070, 389776112, 487220140, 974440280, 1948880560]

約数ペア:

[(1, 1948880560), (2, 974440280), (4, 487220140), (5, 389776112), (8, 243610070), (10, 194888056), (11, 177170960), (16, 121805035), (20, 97444028), (22, 88585480), (40, 48722014), (44, 44292740), (55, 35434192), (80, 24361007), (88, 22146370), (110, 17717096), (176, 11073185), (220, 8858548), (440, 4429274), (880, 2214637)]