51639580

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 111555360

約数和(自身を除く): 59915780

約数列:

[1, 2, 4, 5, 10, 20, 67, 89, 134, 178, 268, 335, 356, 433, 445, 670, 866, 890, 1340, 1732, 1780, 2165, 4330, 5963, 8660, 11926, 23852, 29011, 29815, 38537, 58022, 59630, 77074, 116044, 119260, 145055, 154148, 192685, 290110, 385370, 580220, 770740, 2581979, 5163958, 10327916, 12909895, 25819790, 51639580]

約数ペア:

[(1, 51639580), (2, 25819790), (4, 12909895), (5, 10327916), (10, 5163958), (20, 2581979), (67, 770740), (89, 580220), (134, 385370), (178, 290110), (268, 192685), (335, 154148), (356, 145055), (433, 119260), (445, 116044), (670, 77074), (866, 59630), (890, 58022), (1340, 38537), (1732, 29815), (1780, 29011), (2165, 23852), (4330, 11926), (5963, 8660)]