26594980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 30981980

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 178, 223, 268, 335, 356, 445, 446, 670, 890, 892, 1115, 1340, 1780, 2230, 4460, 5963, 11926, 14941, 19847, 23852, 29815, 29882, 39694, 59630, 59764, 74705, 79388, 99235, 119260, 149410, 198470, 298820, 396940, 1329749, 2659498, 5318996, 6648745, 13297490, 26594980]

約数ペア:

[(1, 26594980), (2, 13297490), (4, 6648745), (5, 5318996), (10, 2659498), (20, 1329749), (67, 396940), (89, 298820), (134, 198470), (178, 149410), (223, 119260), (268, 99235), (335, 79388), (356, 74705), (445, 59764), (446, 59630), (670, 39694), (890, 29882), (892, 29815), (1115, 23852), (1340, 19847), (1780, 14941), (2230, 11926), (4460, 5963)]