91885520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{991}}^1$

素因数の和:1084

約数の個数: 80

約数和(自身を含む): 228794880

約数和(自身を除く): 136909360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 976, 991, 1159, 1220, 1520, 1982, 2318, 2440, 3964, 4636, 4880, 4955, 5795, 7928, 9272, 9910, 11590, 15856, 18544, 18829, 19820, 23180, 37658, 39640, 46360, 60451, 75316, 79280, 92720, 94145, 120902, 150632, 188290, 241804, 301264, 302255, 376580, 483608, 604510, 753160, 967216, 1148569, 1209020, 1506320, 2297138, 2418040, 4594276, 4836080, 5742845, 9188552, 11485690, 18377104, 22971380, 45942760, 91885520]

約数ペア:

[(1, 91885520), (2, 45942760), (4, 22971380), (5, 18377104), (8, 11485690), (10, 9188552), (16, 5742845), (19, 4836080), (20, 4594276), (38, 2418040), (40, 2297138), (61, 1506320), (76, 1209020), (80, 1148569), (95, 967216), (122, 753160), (152, 604510), (190, 483608), (244, 376580), (304, 302255), (305, 301264), (380, 241804), (488, 188290), (610, 150632), (760, 120902), (976, 94145), (991, 92720), (1159, 79280), (1220, 75316), (1520, 60451), (1982, 46360), (2318, 39640), (2440, 37658), (3964, 23180), (4636, 19820), (4880, 18829), (4955, 18544), (5795, 15856), (7928, 11590), (9272, 9910)]