80367520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21839}}^1$

素因数の和:21877

約数の個数: 48

約数和(自身を含む): 198132480

約数和(自身を除く): 117764960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 21839, 43678, 87356, 109195, 174712, 218390, 349424, 436780, 502297, 698848, 873560, 1004594, 1747120, 2009188, 2511485, 3494240, 4018376, 5022970, 8036752, 10045940, 16073504, 20091880, 40183760, 80367520]

約数ペア:

[(1, 80367520), (2, 40183760), (4, 20091880), (5, 16073504), (8, 10045940), (10, 8036752), (16, 5022970), (20, 4018376), (23, 3494240), (32, 2511485), (40, 2009188), (46, 1747120), (80, 1004594), (92, 873560), (115, 698848), (160, 502297), (184, 436780), (230, 349424), (368, 218390), (460, 174712), (736, 109195), (920, 87356), (1840, 43678), (3680, 21839)]