42378440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6269}}^1$

素因数の和:6306

約数の個数: 48

約数和(自身を含む): 103266900

約数和(自身を除く): 60888460

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6269, 6760, 12538, 25076, 31345, 50152, 62690, 81497, 125380, 162994, 250760, 325988, 407485, 651976, 814970, 1059461, 1629940, 2118922, 3259880, 4237844, 5297305, 8475688, 10594610, 21189220, 42378440]

約数ペア:

[(1, 42378440), (2, 21189220), (4, 10594610), (5, 8475688), (8, 5297305), (10, 4237844), (13, 3259880), (20, 2118922), (26, 1629940), (40, 1059461), (52, 814970), (65, 651976), (104, 407485), (130, 325988), (169, 250760), (260, 162994), (338, 125380), (520, 81497), (676, 62690), (845, 50152), (1352, 31345), (1690, 25076), (3380, 12538), (6269, 6760)]