764422840

素因数分解:

$2^3\times 5^1\times {\mathrm{3389}}^1\times {\mathrm{5639}}^1$

素因数の和:9039

約数の個数: 32

約数和(自身を含む): 1720764000

約数和(自身を除く): 956341160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3389, 5639, 6778, 11278, 13556, 16945, 22556, 27112, 28195, 33890, 45112, 56390, 67780, 112780, 135560, 225560, 19110571, 38221142, 76442284, 95552855, 152884568, 191105710, 382211420, 764422840]

約数ペア:

[(1, 764422840), (2, 382211420), (4, 191105710), (5, 152884568), (8, 95552855), (10, 76442284), (20, 38221142), (40, 19110571), (3389, 225560), (5639, 135560), (6778, 112780), (11278, 67780), (13556, 56390), (16945, 45112), (22556, 33890), (27112, 28195)]