64742800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{9521}}^1$

素因数の和:9556

約数の個数: 60

約数和(自身を含む): 164711556

約数和(自身を除く): 99968756

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 9521, 19042, 38084, 47605, 76168, 95210, 152336, 161857, 190420, 238025, 323714, 380840, 476050, 647428, 761680, 809285, 952100, 1294856, 1618570, 1904200, 2589712, 3237140, 3808400, 4046425, 6474280, 8092850, 12948560, 16185700, 32371400, 64742800]

約数ペア:

[(1, 64742800), (2, 32371400), (4, 16185700), (5, 12948560), (8, 8092850), (10, 6474280), (16, 4046425), (17, 3808400), (20, 3237140), (25, 2589712), (34, 1904200), (40, 1618570), (50, 1294856), (68, 952100), (80, 809285), (85, 761680), (100, 647428), (136, 476050), (170, 380840), (200, 323714), (272, 238025), (340, 190420), (400, 161857), (425, 152336), (680, 95210), (850, 76168), (1360, 47605), (1700, 38084), (3400, 19042), (6800, 9521)]