28927120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19031}}^1$

素因数の和:19063

約数の個数: 40

約数和(自身を含む): 70799040

約数和(自身を除く): 41871920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19031, 38062, 76124, 95155, 152248, 190310, 304496, 361589, 380620, 723178, 761240, 1446356, 1522480, 1807945, 2892712, 3615890, 5785424, 7231780, 14463560, 28927120]

約数ペア:

[(1, 28927120), (2, 14463560), (4, 7231780), (5, 5785424), (8, 3615890), (10, 2892712), (16, 1807945), (19, 1522480), (20, 1446356), (38, 761240), (40, 723178), (76, 380620), (80, 361589), (95, 304496), (152, 190310), (190, 152248), (304, 95155), (380, 76124), (760, 38062), (1520, 19031)]