8252080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 80

約数和(自身を含む): 20757600

約数和(自身を除く): 12505520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 89, 95, 122, 152, 178, 190, 244, 304, 305, 356, 380, 445, 488, 610, 712, 760, 890, 976, 1159, 1220, 1424, 1520, 1691, 1780, 2318, 2440, 3382, 3560, 4636, 4880, 5429, 5795, 6764, 7120, 8455, 9272, 10858, 11590, 13528, 16910, 18544, 21716, 23180, 27056, 27145, 33820, 43432, 46360, 54290, 67640, 86864, 92720, 103151, 108580, 135280, 206302, 217160, 412604, 434320, 515755, 825208, 1031510, 1650416, 2063020, 4126040, 8252080]

約数ペア:

[(1, 8252080), (2, 4126040), (4, 2063020), (5, 1650416), (8, 1031510), (10, 825208), (16, 515755), (19, 434320), (20, 412604), (38, 217160), (40, 206302), (61, 135280), (76, 108580), (80, 103151), (89, 92720), (95, 86864), (122, 67640), (152, 54290), (178, 46360), (190, 43432), (244, 33820), (304, 27145), (305, 27056), (356, 23180), (380, 21716), (445, 18544), (488, 16910), (610, 13528), (712, 11590), (760, 10858), (890, 9272), (976, 8455), (1159, 7120), (1220, 6764), (1424, 5795), (1520, 5429), (1691, 4880), (1780, 4636), (2318, 3560), (2440, 3382)]