49915280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{32839}}^1$

素因数の和:32871

約数の個数: 40

約数和(自身を含む): 122164800

約数和(自身を除く): 72249520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 32839, 65678, 131356, 164195, 262712, 328390, 525424, 623941, 656780, 1247882, 1313560, 2495764, 2627120, 3119705, 4991528, 6239410, 9983056, 12478820, 24957640, 49915280]

約数ペア:

[(1, 49915280), (2, 24957640), (4, 12478820), (5, 9983056), (8, 6239410), (10, 4991528), (16, 3119705), (19, 2627120), (20, 2495764), (38, 1313560), (40, 1247882), (76, 656780), (80, 623941), (95, 525424), (152, 328390), (190, 262712), (304, 164195), (380, 131356), (760, 65678), (1520, 32839)]