260020520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2063}}^1$

素因数の和:2234

約数の個数: 64

約数和(自身を含む): 615237120

約数和(自身を除く): 355216600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 137, 184, 230, 274, 460, 548, 685, 920, 1096, 1370, 2063, 2740, 3151, 4126, 5480, 6302, 8252, 10315, 12604, 15755, 16504, 20630, 25208, 31510, 41260, 47449, 63020, 82520, 94898, 126040, 189796, 237245, 282631, 379592, 474490, 565262, 948980, 1130524, 1413155, 1897960, 2261048, 2826310, 5652620, 6500513, 11305240, 13001026, 26002052, 32502565, 52004104, 65005130, 130010260, 260020520]

約数ペア:

[(1, 260020520), (2, 130010260), (4, 65005130), (5, 52004104), (8, 32502565), (10, 26002052), (20, 13001026), (23, 11305240), (40, 6500513), (46, 5652620), (92, 2826310), (115, 2261048), (137, 1897960), (184, 1413155), (230, 1130524), (274, 948980), (460, 565262), (548, 474490), (685, 379592), (920, 282631), (1096, 237245), (1370, 189796), (2063, 126040), (2740, 94898), (3151, 82520), (4126, 63020), (5480, 47449), (6302, 41260), (8252, 31510), (10315, 25208), (12604, 20630), (15755, 16504)]