45678880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21989

約数の個数: 48

約数和(自身を含む): 116222904

約数和(自身を除く): 70544024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 21961, 43922, 87844, 109805, 175688, 219610, 285493, 351376, 439220, 570986, 702752, 878440, 1141972, 1427465, 1756880, 2283944, 2854930, 3513760, 4567888, 5709860, 9135776, 11419720, 22839440, 45678880]

約数ペア:

[(1, 45678880), (2, 22839440), (4, 11419720), (5, 9135776), (8, 5709860), (10, 4567888), (13, 3513760), (16, 2854930), (20, 2283944), (26, 1756880), (32, 1427465), (40, 1141972), (52, 878440), (65, 702752), (80, 570986), (104, 439220), (130, 351376), (160, 285493), (208, 219610), (260, 175688), (416, 109805), (520, 87844), (1040, 43922), (2080, 21961)]