2018701840

素因数分解:

$2^4\times 5^1\times {\mathrm{25233773}}^1$

素因数の和:25233786

約数の個数: 20

約数和(自身を含む): 4693481964

約数和(自身を除く): 2674780124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25233773, 50467546, 100935092, 126168865, 201870184, 252337730, 403740368, 504675460, 1009350920, 2018701840]

約数ペア:

[(1, 2018701840), (2, 1009350920), (4, 504675460), (5, 403740368), (8, 252337730), (10, 201870184), (16, 126168865), (20, 100935092), (40, 50467546), (80, 25233773)]