18971054240

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2891929}}^1$

素因数の和:2891985

約数の個数: 48

約数和(自身を含む): 45912280680

約数和(自身を除く): 26941226440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 2891929, 5783858, 11567716, 14459645, 23135432, 28919290, 46270864, 57838580, 92541728, 115677160, 118569089, 231354320, 237138178, 462708640, 474276356, 592845445, 948552712, 1185690890, 1897105424, 2371381780, 3794210848, 4742763560, 9485527120, 18971054240]

約数ペア:

[(1, 18971054240), (2, 9485527120), (4, 4742763560), (5, 3794210848), (8, 2371381780), (10, 1897105424), (16, 1185690890), (20, 948552712), (32, 592845445), (40, 474276356), (41, 462708640), (80, 237138178), (82, 231354320), (160, 118569089), (164, 115677160), (205, 92541728), (328, 57838580), (410, 46270864), (656, 28919290), (820, 23135432), (1312, 14459645), (1640, 11567716), (3280, 5783858), (6560, 2891929)]