40371580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 90034560

約数和(自身を除く): 49662980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 524, 655, 811, 1310, 1622, 2489, 2620, 3244, 4055, 4978, 8110, 9956, 12445, 15409, 16220, 24890, 30818, 49780, 61636, 77045, 106241, 154090, 212482, 308180, 424964, 531205, 1062410, 2018579, 2124820, 4037158, 8074316, 10092895, 20185790, 40371580]

約数ペア:

[(1, 40371580), (2, 20185790), (4, 10092895), (5, 8074316), (10, 4037158), (19, 2124820), (20, 2018579), (38, 1062410), (76, 531205), (95, 424964), (131, 308180), (190, 212482), (262, 154090), (380, 106241), (524, 77045), (655, 61636), (811, 49780), (1310, 30818), (1622, 24890), (2489, 16220), (2620, 15409), (3244, 12445), (4055, 9956), (4978, 8110)]