11827120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 29998080

約数和(自身を除く): 18170960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 251, 304, 310, 380, 496, 502, 589, 620, 760, 1004, 1178, 1240, 1255, 1520, 2008, 2356, 2480, 2510, 2945, 4016, 4712, 4769, 5020, 5890, 7781, 9424, 9538, 10040, 11780, 15562, 19076, 20080, 23560, 23845, 31124, 38152, 38905, 47120, 47690, 62248, 76304, 77810, 95380, 124496, 147839, 155620, 190760, 295678, 311240, 381520, 591356, 622480, 739195, 1182712, 1478390, 2365424, 2956780, 5913560, 11827120]

約数ペア:

[(1, 11827120), (2, 5913560), (4, 2956780), (5, 2365424), (8, 1478390), (10, 1182712), (16, 739195), (19, 622480), (20, 591356), (31, 381520), (38, 311240), (40, 295678), (62, 190760), (76, 155620), (80, 147839), (95, 124496), (124, 95380), (152, 77810), (155, 76304), (190, 62248), (248, 47690), (251, 47120), (304, 38905), (310, 38152), (380, 31124), (496, 23845), (502, 23560), (589, 20080), (620, 19076), (760, 15562), (1004, 11780), (1178, 10040), (1240, 9538), (1255, 9424), (1520, 7781), (2008, 5890), (2356, 5020), (2480, 4769), (2510, 4712), (2945, 4016)]