51011480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{373}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 124407360

約数和(自身を除く): 73395880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 263, 373, 520, 526, 746, 1052, 1315, 1492, 1865, 2104, 2630, 2984, 3419, 3730, 4849, 5260, 6838, 7460, 9698, 10520, 13676, 14920, 17095, 19396, 24245, 27352, 34190, 38792, 48490, 68380, 96980, 98099, 136760, 193960, 196198, 392396, 490495, 784792, 980990, 1275287, 1961980, 2550574, 3923960, 5101148, 6376435, 10202296, 12752870, 25505740, 51011480]

約数ペア:

[(1, 51011480), (2, 25505740), (4, 12752870), (5, 10202296), (8, 6376435), (10, 5101148), (13, 3923960), (20, 2550574), (26, 1961980), (40, 1275287), (52, 980990), (65, 784792), (104, 490495), (130, 392396), (260, 196198), (263, 193960), (373, 136760), (520, 98099), (526, 96980), (746, 68380), (1052, 48490), (1315, 38792), (1492, 34190), (1865, 27352), (2104, 24245), (2630, 19396), (2984, 17095), (3419, 14920), (3730, 13676), (4849, 10520), (5260, 9698), (6838, 7460)]