64832420

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{4919}}^1$

素因数の和:5587

約数の個数: 24

約数和(自身を含む): 136382400

約数和(自身を除く): 71549980

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 4919, 6590, 9838, 13180, 19676, 24595, 49190, 98380, 3241621, 6483242, 12966484, 16208105, 32416210, 64832420]

約数ペア:

[(1, 64832420), (2, 32416210), (4, 16208105), (5, 12966484), (10, 6483242), (20, 3241621), (659, 98380), (1318, 49190), (2636, 24595), (3295, 19676), (4919, 13180), (6590, 9838)]