203919920

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{11131}}^1$

素因数の和:11373

約数の個数: 40

約数和(自身を含む): 476226960

約数和(自身を除く): 272307040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 11131, 18320, 22262, 44524, 55655, 89048, 111310, 178096, 222620, 445240, 890480, 2548999, 5097998, 10195996, 12744995, 20391992, 25489990, 40783984, 50979980, 101959960, 203919920]

約数ペア:

[(1, 203919920), (2, 101959960), (4, 50979980), (5, 40783984), (8, 25489990), (10, 20391992), (16, 12744995), (20, 10195996), (40, 5097998), (80, 2548999), (229, 890480), (458, 445240), (916, 222620), (1145, 178096), (1832, 111310), (2290, 89048), (3664, 55655), (4580, 44524), (9160, 22262), (11131, 18320)]