2019988160

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103483}}^1$

素因数の和:103561

約数の個数: 56

約数和(自身を含む): 4888998096

約数和(自身を除く): 2869009936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4880, 9760, 19520, 103483, 206966, 413932, 517415, 827864, 1034830, 1655728, 2069660, 3311456, 4139320, 6312463, 6622912, 8278640, 12624926, 16557280, 25249852, 31562315, 33114560, 50499704, 63124630, 100999408, 126249260, 201998816, 252498520, 403997632, 504997040, 1009994080, 2019988160]

約数ペア:

[(1, 2019988160), (2, 1009994080), (4, 504997040), (5, 403997632), (8, 252498520), (10, 201998816), (16, 126249260), (20, 100999408), (32, 63124630), (40, 50499704), (61, 33114560), (64, 31562315), (80, 25249852), (122, 16557280), (160, 12624926), (244, 8278640), (305, 6622912), (320, 6312463), (488, 4139320), (610, 3311456), (976, 2069660), (1220, 1655728), (1952, 1034830), (2440, 827864), (3904, 517415), (4880, 413932), (9760, 206966), (19520, 103483)]