80287900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10427}}^1$

素因数の和:10459

約数の個数: 72

約数和(自身を含む): 217236096

約数和(自身を除く): 136948196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 140, 154, 175, 220, 275, 308, 350, 385, 550, 700, 770, 1100, 1540, 1925, 3850, 7700, 10427, 20854, 41708, 52135, 72989, 104270, 114697, 145978, 208540, 229394, 260675, 291956, 364945, 458788, 521350, 573485, 729890, 802879, 1042700, 1146970, 1459780, 1605758, 1824725, 2293940, 2867425, 3211516, 3649450, 4014395, 5734850, 7298900, 8028790, 11469700, 16057580, 20071975, 40143950, 80287900]

約数ペア:

[(1, 80287900), (2, 40143950), (4, 20071975), (5, 16057580), (7, 11469700), (10, 8028790), (11, 7298900), (14, 5734850), (20, 4014395), (22, 3649450), (25, 3211516), (28, 2867425), (35, 2293940), (44, 1824725), (50, 1605758), (55, 1459780), (70, 1146970), (77, 1042700), (100, 802879), (110, 729890), (140, 573485), (154, 521350), (175, 458788), (220, 364945), (275, 291956), (308, 260675), (350, 229394), (385, 208540), (550, 145978), (700, 114697), (770, 104270), (1100, 72989), (1540, 52135), (1925, 41708), (3850, 20854), (7700, 10427)]