39142220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{997}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 89197248

約数和(自身を除く): 50055028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 604, 755, 997, 1510, 1963, 1994, 3020, 3926, 3988, 4985, 7852, 9815, 9970, 12961, 19630, 19940, 25922, 39260, 51844, 64805, 129610, 150547, 259220, 301094, 602188, 752735, 1505470, 1957111, 3010940, 3914222, 7828444, 9785555, 19571110, 39142220]

約数ペア:

[(1, 39142220), (2, 19571110), (4, 9785555), (5, 7828444), (10, 3914222), (13, 3010940), (20, 1957111), (26, 1505470), (52, 752735), (65, 602188), (130, 301094), (151, 259220), (260, 150547), (302, 129610), (604, 64805), (755, 51844), (997, 39260), (1510, 25922), (1963, 19940), (1994, 19630), (3020, 12961), (3926, 9970), (3988, 9815), (4985, 7852)]