202120816

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{5051}}^1$

素因数の和:5161

約数の個数: 40

約数和(自身を含む): 407817648

約数和(自身を除く): 205696832

約数列:

[1, 2, 4, 8, 16, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 2501, 5002, 5051, 10004, 10102, 20008, 20204, 40016, 40408, 80816, 207091, 308111, 414182, 616222, 828364, 1232444, 1656728, 2464888, 3313456, 4929776, 12632551, 25265102, 50530204, 101060408, 202120816]

約数ペア:

[(1, 202120816), (2, 101060408), (4, 50530204), (8, 25265102), (16, 12632551), (41, 4929776), (61, 3313456), (82, 2464888), (122, 1656728), (164, 1232444), (244, 828364), (328, 616222), (488, 414182), (656, 308111), (976, 207091), (2501, 80816), (5002, 40408), (5051, 40016), (10004, 20204), (10102, 20008)]