26319860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 65155104

約数和(自身を除く): 38835244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 107, 140, 196, 214, 245, 251, 428, 490, 502, 535, 749, 980, 1004, 1070, 1255, 1498, 1757, 2140, 2510, 2996, 3514, 3745, 5020, 5243, 7028, 7490, 8785, 10486, 12299, 14980, 17570, 20972, 24598, 26215, 26857, 35140, 49196, 52430, 53714, 61495, 104860, 107428, 122990, 134285, 187999, 245980, 268570, 375998, 537140, 751996, 939995, 1315993, 1879990, 2631986, 3759980, 5263972, 6579965, 13159930, 26319860]

約数ペア:

[(1, 26319860), (2, 13159930), (4, 6579965), (5, 5263972), (7, 3759980), (10, 2631986), (14, 1879990), (20, 1315993), (28, 939995), (35, 751996), (49, 537140), (70, 375998), (98, 268570), (107, 245980), (140, 187999), (196, 134285), (214, 122990), (245, 107428), (251, 104860), (428, 61495), (490, 53714), (502, 52430), (535, 49196), (749, 35140), (980, 26857), (1004, 26215), (1070, 24598), (1255, 20972), (1498, 17570), (1757, 14980), (2140, 12299), (2510, 10486), (2996, 8785), (3514, 7490), (3745, 7028), (5020, 5243)]