22511260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 48771072

約数和(自身を除く): 26259812

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 191, 284, 332, 355, 382, 415, 710, 764, 830, 955, 1420, 1660, 1910, 3820, 5893, 11786, 13561, 15853, 23572, 27122, 29465, 31706, 54244, 58930, 63412, 67805, 79265, 117860, 135610, 158530, 271220, 317060, 1125563, 2251126, 4502252, 5627815, 11255630, 22511260]

約数ペア:

[(1, 22511260), (2, 11255630), (4, 5627815), (5, 4502252), (10, 2251126), (20, 1125563), (71, 317060), (83, 271220), (142, 158530), (166, 135610), (191, 117860), (284, 79265), (332, 67805), (355, 63412), (382, 58930), (415, 54244), (710, 31706), (764, 29465), (830, 27122), (955, 23572), (1420, 15853), (1660, 13561), (1910, 11786), (3820, 5893)]