8100080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:178

約数の個数: 60

約数和(自身を含む): 20099160

約数和(自身を除く): 11999080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 292, 304, 365, 380, 584, 730, 760, 1168, 1387, 1460, 1520, 2774, 2920, 5329, 5548, 5840, 6935, 10658, 11096, 13870, 21316, 22192, 26645, 27740, 42632, 53290, 55480, 85264, 101251, 106580, 110960, 202502, 213160, 405004, 426320, 506255, 810008, 1012510, 1620016, 2025020, 4050040, 8100080]

約数ペア:

[(1, 8100080), (2, 4050040), (4, 2025020), (5, 1620016), (8, 1012510), (10, 810008), (16, 506255), (19, 426320), (20, 405004), (38, 213160), (40, 202502), (73, 110960), (76, 106580), (80, 101251), (95, 85264), (146, 55480), (152, 53290), (190, 42632), (292, 27740), (304, 26645), (365, 22192), (380, 21316), (584, 13870), (730, 11096), (760, 10658), (1168, 6935), (1387, 5840), (1460, 5548), (1520, 5329), (2774, 2920)]