13017520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 32497920

約数和(自身を除く): 19480400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 181, 232, 248, 290, 310, 362, 464, 496, 580, 620, 724, 899, 905, 1160, 1240, 1448, 1798, 1810, 2320, 2480, 2896, 3596, 3620, 4495, 5249, 5611, 7192, 7240, 8990, 10498, 11222, 14384, 14480, 17980, 20996, 22444, 26245, 28055, 35960, 41992, 44888, 52490, 56110, 71920, 83984, 89776, 104980, 112220, 162719, 209960, 224440, 325438, 419920, 448880, 650876, 813595, 1301752, 1627190, 2603504, 3254380, 6508760, 13017520]

約数ペア:

[(1, 13017520), (2, 6508760), (4, 3254380), (5, 2603504), (8, 1627190), (10, 1301752), (16, 813595), (20, 650876), (29, 448880), (31, 419920), (40, 325438), (58, 224440), (62, 209960), (80, 162719), (116, 112220), (124, 104980), (145, 89776), (155, 83984), (181, 71920), (232, 56110), (248, 52490), (290, 44888), (310, 41992), (362, 35960), (464, 28055), (496, 26245), (580, 22444), (620, 20996), (724, 17980), (899, 14480), (905, 14384), (1160, 11222), (1240, 10498), (1448, 8990), (1798, 7240), (1810, 7192), (2320, 5611), (2480, 5249), (2896, 4495), (3596, 3620)]