42645980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{164023}}^1$

素因数の和:164045

約数の個数: 24

約数和(自身を含む): 96446112

約数和(自身を除く): 53800132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 164023, 328046, 656092, 820115, 1640230, 2132299, 3280460, 4264598, 8529196, 10661495, 21322990, 42645980]

約数ペア:

[(1, 42645980), (2, 21322990), (4, 10661495), (5, 8529196), (10, 4264598), (13, 3280460), (20, 2132299), (26, 1640230), (52, 820115), (65, 656092), (130, 328046), (260, 164023)]