65054800840

素因数分解:

$2^3\times 5^1\times {\mathrm{41269}}^1\times {\mathrm{39409}}^1$

素因数の和:80689

約数の個数: 32

約数和(自身を含む): 146380563000

約数和(自身を除く): 81325762160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 39409, 41269, 78818, 82538, 157636, 165076, 197045, 206345, 315272, 330152, 394090, 412690, 788180, 825380, 1576360, 1650760, 1626370021, 3252740042, 6505480084, 8131850105, 13010960168, 16263700210, 32527400420, 65054800840]

約数ペア:

[(1, 65054800840), (2, 32527400420), (4, 16263700210), (5, 13010960168), (8, 8131850105), (10, 6505480084), (20, 3252740042), (40, 1626370021), (39409, 1650760), (41269, 1576360), (78818, 825380), (82538, 788180), (157636, 412690), (165076, 394090), (197045, 330152), (206345, 315272)]