11978000

素因数分解:

$2^4\times 5^3\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 80

約数和(自身を含む): 29770416

約数和(自身を除く): 17792416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 53, 80, 100, 106, 113, 125, 200, 212, 226, 250, 265, 400, 424, 452, 500, 530, 565, 848, 904, 1000, 1060, 1130, 1325, 1808, 2000, 2120, 2260, 2650, 2825, 4240, 4520, 5300, 5650, 5989, 6625, 9040, 10600, 11300, 11978, 13250, 14125, 21200, 22600, 23956, 26500, 28250, 29945, 45200, 47912, 53000, 56500, 59890, 95824, 106000, 113000, 119780, 149725, 226000, 239560, 299450, 479120, 598900, 748625, 1197800, 1497250, 2395600, 2994500, 5989000, 11978000]

約数ペア:

[(1, 11978000), (2, 5989000), (4, 2994500), (5, 2395600), (8, 1497250), (10, 1197800), (16, 748625), (20, 598900), (25, 479120), (40, 299450), (50, 239560), (53, 226000), (80, 149725), (100, 119780), (106, 113000), (113, 106000), (125, 95824), (200, 59890), (212, 56500), (226, 53000), (250, 47912), (265, 45200), (400, 29945), (424, 28250), (452, 26500), (500, 23956), (530, 22600), (565, 21200), (848, 14125), (904, 13250), (1000, 11978), (1060, 11300), (1130, 10600), (1325, 9040), (1808, 6625), (2000, 5989), (2120, 5650), (2260, 5300), (2650, 4520), (2825, 4240)]