40864820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3469}}^1$

素因数の和:3528

約数の個数: 48

約数和(自身を含む): 93273600

約数和(自身を除く): 52408780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 3469, 5890, 6938, 11780, 13876, 17345, 34690, 65911, 69380, 107539, 131822, 215078, 263644, 329555, 430156, 537695, 659110, 1075390, 1318220, 2043241, 2150780, 4086482, 8172964, 10216205, 20432410, 40864820]

約数ペア:

[(1, 40864820), (2, 20432410), (4, 10216205), (5, 8172964), (10, 4086482), (19, 2150780), (20, 2043241), (31, 1318220), (38, 1075390), (62, 659110), (76, 537695), (95, 430156), (124, 329555), (155, 263644), (190, 215078), (310, 131822), (380, 107539), (589, 69380), (620, 65911), (1178, 34690), (2356, 17345), (2945, 13876), (3469, 11780), (5890, 6938)]