42040700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 99816528

約数和(自身を除く): 57775828

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 73, 100, 130, 146, 260, 292, 325, 365, 443, 650, 730, 886, 949, 1300, 1460, 1772, 1825, 1898, 2215, 3650, 3796, 4430, 4745, 5759, 7300, 8860, 9490, 11075, 11518, 18980, 22150, 23036, 23725, 28795, 32339, 44300, 47450, 57590, 64678, 94900, 115180, 129356, 143975, 161695, 287950, 323390, 420407, 575900, 646780, 808475, 840814, 1616950, 1681628, 2102035, 3233900, 4204070, 8408140, 10510175, 21020350, 42040700]

約数ペア:

[(1, 42040700), (2, 21020350), (4, 10510175), (5, 8408140), (10, 4204070), (13, 3233900), (20, 2102035), (25, 1681628), (26, 1616950), (50, 840814), (52, 808475), (65, 646780), (73, 575900), (100, 420407), (130, 323390), (146, 287950), (260, 161695), (292, 143975), (325, 129356), (365, 115180), (443, 94900), (650, 64678), (730, 57590), (886, 47450), (949, 44300), (1300, 32339), (1460, 28795), (1772, 23725), (1825, 23036), (1898, 22150), (2215, 18980), (3650, 11518), (3796, 11075), (4430, 9490), (4745, 8860), (5759, 7300)]