54445640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1009}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 130896000

約数和(自身を除く): 76450360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1009, 1349, 1420, 2018, 2698, 2840, 4036, 5045, 5396, 6745, 8072, 10090, 10792, 13490, 19171, 20180, 26980, 38342, 40360, 53960, 71639, 76684, 95855, 143278, 153368, 191710, 286556, 358195, 383420, 573112, 716390, 766840, 1361141, 1432780, 2722282, 2865560, 5444564, 6805705, 10889128, 13611410, 27222820, 54445640]

約数ペア:

[(1, 54445640), (2, 27222820), (4, 13611410), (5, 10889128), (8, 6805705), (10, 5444564), (19, 2865560), (20, 2722282), (38, 1432780), (40, 1361141), (71, 766840), (76, 716390), (95, 573112), (142, 383420), (152, 358195), (190, 286556), (284, 191710), (355, 153368), (380, 143278), (568, 95855), (710, 76684), (760, 71639), (1009, 53960), (1349, 40360), (1420, 38342), (2018, 26980), (2698, 20180), (2840, 19171), (4036, 13490), (5045, 10792), (5396, 10090), (6745, 8072)]