1298739760

素因数分解:

$2^4\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{12421}}^1$

素因数の和:13741

約数の個数: 40

約数和(自身を含む): 3022123536

約数和(自身を除く): 1723383776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1307, 2614, 5228, 6535, 10456, 12421, 13070, 20912, 24842, 26140, 49684, 52280, 62105, 99368, 104560, 124210, 198736, 248420, 496840, 993680, 16234247, 32468494, 64936988, 81171235, 129873976, 162342470, 259747952, 324684940, 649369880, 1298739760]

約数ペア:

[(1, 1298739760), (2, 649369880), (4, 324684940), (5, 259747952), (8, 162342470), (10, 129873976), (16, 81171235), (20, 64936988), (40, 32468494), (80, 16234247), (1307, 993680), (2614, 496840), (5228, 248420), (6535, 198736), (10456, 124210), (12421, 104560), (13070, 99368), (20912, 62105), (24842, 52280), (26140, 49684)]