2912069840

素因数分解:

$2^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{56611}}^1$

素因数の和:57267

約数の個数: 40

約数和(自身を含む): 6781211808

約数和(自身を除く): 3869141968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 643, 1286, 2572, 3215, 5144, 6430, 10288, 12860, 25720, 51440, 56611, 113222, 226444, 283055, 452888, 566110, 905776, 1132220, 2264440, 4528880, 36400873, 72801746, 145603492, 182004365, 291206984, 364008730, 582413968, 728017460, 1456034920, 2912069840]

約数ペア:

[(1, 2912069840), (2, 1456034920), (4, 728017460), (5, 582413968), (8, 364008730), (10, 291206984), (16, 182004365), (20, 145603492), (40, 72801746), (80, 36400873), (643, 4528880), (1286, 2264440), (2572, 1132220), (3215, 905776), (5144, 566110), (6430, 452888), (10288, 283055), (12860, 226444), (25720, 113222), (51440, 56611)]