2912453840

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{333997}}^1$

素因数の和:334119

約数の個数: 40

約数和(自身を含む): 6833599080

約数和(自身を除く): 3921145240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 333997, 667994, 1335988, 1669985, 2671976, 3339970, 5343952, 6679940, 13359880, 26719760, 36405673, 72811346, 145622692, 182028365, 291245384, 364056730, 582490768, 728113460, 1456226920, 2912453840]

約数ペア:

[(1, 2912453840), (2, 1456226920), (4, 728113460), (5, 582490768), (8, 364056730), (10, 291245384), (16, 182028365), (20, 145622692), (40, 72811346), (80, 36405673), (109, 26719760), (218, 13359880), (436, 6679940), (545, 5343952), (872, 3339970), (1090, 2671976), (1744, 1669985), (2180, 1335988), (4360, 667994), (8720, 333997)]