3201993020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1\times {\mathrm{2543}}^1$

素因数の和:3110

約数の個数: 48

約数和(自身を含む): 6786557568

約数和(自身を除く): 3584564548

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 401, 628, 785, 802, 1570, 1604, 2005, 2543, 3140, 4010, 5086, 8020, 10172, 12715, 25430, 50860, 62957, 125914, 251828, 314785, 399251, 629570, 798502, 1019743, 1259140, 1597004, 1996255, 2039486, 3992510, 4078972, 5098715, 7985020, 10197430, 20394860, 160099651, 320199302, 640398604, 800498255, 1600996510, 3201993020]

約数ペア:

[(1, 3201993020), (2, 1600996510), (4, 800498255), (5, 640398604), (10, 320199302), (20, 160099651), (157, 20394860), (314, 10197430), (401, 7985020), (628, 5098715), (785, 4078972), (802, 3992510), (1570, 2039486), (1604, 1996255), (2005, 1597004), (2543, 1259140), (3140, 1019743), (4010, 798502), (5086, 629570), (8020, 399251), (10172, 314785), (12715, 251828), (25430, 125914), (50860, 62957)]