2138562880

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{68897}}^1$

素因数の和:69011

約数の個数: 56

約数和(自身を含む): 5145027048

約数和(自身を除く): 3006464168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 6208, 7760, 15520, 31040, 68897, 137794, 275588, 344485, 551176, 688970, 1102352, 1377940, 2204704, 2755880, 4409408, 5511760, 6683009, 11023520, 13366018, 22047040, 26732036, 33415045, 53464072, 66830090, 106928144, 133660180, 213856288, 267320360, 427712576, 534640720, 1069281440, 2138562880]

約数ペア:

[(1, 2138562880), (2, 1069281440), (4, 534640720), (5, 427712576), (8, 267320360), (10, 213856288), (16, 133660180), (20, 106928144), (32, 66830090), (40, 53464072), (64, 33415045), (80, 26732036), (97, 22047040), (160, 13366018), (194, 11023520), (320, 6683009), (388, 5511760), (485, 4409408), (776, 2755880), (970, 2204704), (1552, 1377940), (1940, 1102352), (3104, 688970), (3880, 551176), (6208, 344485), (7760, 275588), (15520, 137794), (31040, 68897)]