12818205125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1171}}^1$

素因数の和:1635

約数の個数: 64

約数和(自身を含む): 18429465600

約数和(自身を除く): 5611260475

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 419, 475, 1045, 1171, 1375, 2095, 2375, 4609, 5225, 5855, 7961, 10475, 12881, 22249, 23045, 26125, 29275, 39805, 52375, 64405, 87571, 111245, 115225, 146375, 199025, 244739, 322025, 437855, 490649, 556225, 576125, 995125, 1223695, 1610125, 2189275, 2453245, 2781125, 5397139, 6118475, 9322331, 10946375, 12266225, 26985695, 30592375, 46611655, 61331125, 102545641, 134928475, 233058275, 512728205, 674642375, 1165291375, 2563641025, 12818205125]

約数ペア:

[(1, 12818205125), (5, 2563641025), (11, 1165291375), (19, 674642375), (25, 512728205), (55, 233058275), (95, 134928475), (125, 102545641), (209, 61331125), (275, 46611655), (419, 30592375), (475, 26985695), (1045, 12266225), (1171, 10946375), (1375, 9322331), (2095, 6118475), (2375, 5397139), (4609, 2781125), (5225, 2453245), (5855, 2189275), (7961, 1610125), (10475, 1223695), (12881, 995125), (22249, 576125), (23045, 556225), (26125, 490649), (29275, 437855), (39805, 322025), (52375, 244739), (64405, 199025), (87571, 146375), (111245, 115225)]