26836340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21997}}^1$

素因数の和:22067

約数の個数: 24

約数和(自身を含む): 57282792

約数和(自身を除く): 30446452

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21997, 43994, 87988, 109985, 219970, 439940, 1341817, 2683634, 5367268, 6709085, 13418170, 26836340]

約数ペア:

[(1, 26836340), (2, 13418170), (4, 6709085), (5, 5367268), (10, 2683634), (20, 1341817), (61, 439940), (122, 219970), (244, 109985), (305, 87988), (610, 43994), (1220, 21997)]