31885040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1950

約数の個数: 80

約数和(自身を含む): 85173120

約数和(自身を除く): 53288080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 1907, 2090, 3344, 3814, 4180, 7628, 8360, 9535, 15256, 16720, 19070, 20977, 30512, 36233, 38140, 41954, 72466, 76280, 83908, 104885, 144932, 152560, 167816, 181165, 209770, 289864, 335632, 362330, 398563, 419540, 579728, 724660, 797126, 839080, 1449320, 1594252, 1678160, 1992815, 2898640, 3188504, 3985630, 6377008, 7971260, 15942520, 31885040]

約数ペア:

[(1, 31885040), (2, 15942520), (4, 7971260), (5, 6377008), (8, 3985630), (10, 3188504), (11, 2898640), (16, 1992815), (19, 1678160), (20, 1594252), (22, 1449320), (38, 839080), (40, 797126), (44, 724660), (55, 579728), (76, 419540), (80, 398563), (88, 362330), (95, 335632), (110, 289864), (152, 209770), (176, 181165), (190, 167816), (209, 152560), (220, 144932), (304, 104885), (380, 83908), (418, 76280), (440, 72466), (760, 41954), (836, 38140), (880, 36233), (1045, 30512), (1520, 20977), (1672, 19070), (1907, 16720), (2090, 15256), (3344, 9535), (3814, 8360), (4180, 7628)]