1268758720

素因数分解:

$2^6\times 5^1\times {\mathrm{3964871}}^1$

素因数の和:3964888

約数の個数: 28

約数和(自身を含む): 3021232464

約数和(自身を除く): 1752473744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3964871, 7929742, 15859484, 19824355, 31718968, 39648710, 63437936, 79297420, 126875872, 158594840, 253751744, 317189680, 634379360, 1268758720]

約数ペア:

[(1, 1268758720), (2, 634379360), (4, 317189680), (5, 253751744), (8, 158594840), (10, 126875872), (16, 79297420), (20, 63437936), (32, 39648710), (40, 31718968), (64, 19824355), (80, 15859484), (160, 7929742), (320, 3964871)]