1297038440

素因数分解:

$2^3\times 5^1\times {\mathrm{8719}}^1\times {\mathrm{3719}}^1$

素因数の和:12449

約数の個数: 32

約数和(自身を含む): 2919456000

約数和(自身を除く): 1622417560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3719, 7438, 8719, 14876, 17438, 18595, 29752, 34876, 37190, 43595, 69752, 74380, 87190, 148760, 174380, 348760, 32425961, 64851922, 129703844, 162129805, 259407688, 324259610, 648519220, 1297038440]

約数ペア:

[(1, 1297038440), (2, 648519220), (4, 324259610), (5, 259407688), (8, 162129805), (10, 129703844), (20, 64851922), (40, 32425961), (3719, 348760), (7438, 174380), (8719, 148760), (14876, 87190), (17438, 74380), (18595, 69752), (29752, 43595), (34876, 37190)]