81555460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{34267}}^1$

素因数の和:34300

約数の個数: 48

約数和(自身を含む): 207252864

約数和(自身を除く): 125697404

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 34267, 68534, 137068, 171335, 239869, 342670, 479738, 582539, 685340, 959476, 1165078, 1199345, 2330156, 2398690, 2912695, 4077773, 4797380, 5825390, 8155546, 11650780, 16311092, 20388865, 40777730, 81555460]

約数ペア:

[(1, 81555460), (2, 40777730), (4, 20388865), (5, 16311092), (7, 11650780), (10, 8155546), (14, 5825390), (17, 4797380), (20, 4077773), (28, 2912695), (34, 2398690), (35, 2330156), (68, 1199345), (70, 1165078), (85, 959476), (119, 685340), (140, 582539), (170, 479738), (238, 342670), (340, 239869), (476, 171335), (595, 137068), (1190, 68534), (2380, 34267)]