78040240

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6547}}^1$

素因数の和:6709

約数の個数: 40

約数和(自身を含む): 182689200

約数和(自身を除く): 104648960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 6547, 11920, 13094, 26188, 32735, 52376, 65470, 104752, 130940, 261880, 523760, 975503, 1951006, 3902012, 4877515, 7804024, 9755030, 15608048, 19510060, 39020120, 78040240]

約数ペア:

[(1, 78040240), (2, 39020120), (4, 19510060), (5, 15608048), (8, 9755030), (10, 7804024), (16, 4877515), (20, 3902012), (40, 1951006), (80, 975503), (149, 523760), (298, 261880), (596, 130940), (745, 104752), (1192, 65470), (1490, 52376), (2384, 32735), (2980, 26188), (5960, 13094), (6547, 11920)]