3977961040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1212793}}^1$

素因数の和:1212847

約数の個数: 40

約数和(自身を含む): 9474346728

約数和(自身を除く): 5496385688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 1212793, 2425586, 4851172, 6063965, 9702344, 12127930, 19404688, 24255860, 48511720, 49724513, 97023440, 99449026, 198898052, 248622565, 397796104, 497245130, 795592208, 994490260, 1988980520, 3977961040]

約数ペア:

[(1, 3977961040), (2, 1988980520), (4, 994490260), (5, 795592208), (8, 497245130), (10, 397796104), (16, 248622565), (20, 198898052), (40, 99449026), (41, 97023440), (80, 49724513), (82, 48511720), (164, 24255860), (205, 19404688), (328, 12127930), (410, 9702344), (656, 6063965), (820, 4851172), (1640, 2425586), (3280, 1212793)]