198688960

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4889}}^1$

素因数の和:5033

約数の個数: 56

約数和(自身を含む): 476951040

約数和(自身を除く): 278262080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 2032, 2540, 4064, 4889, 5080, 8128, 9778, 10160, 19556, 20320, 24445, 39112, 40640, 48890, 78224, 97780, 156448, 195560, 312896, 391120, 620903, 782240, 1241806, 1564480, 2483612, 3104515, 4967224, 6209030, 9934448, 12418060, 19868896, 24836120, 39737792, 49672240, 99344480, 198688960]

約数ペア:

[(1, 198688960), (2, 99344480), (4, 49672240), (5, 39737792), (8, 24836120), (10, 19868896), (16, 12418060), (20, 9934448), (32, 6209030), (40, 4967224), (64, 3104515), (80, 2483612), (127, 1564480), (160, 1241806), (254, 782240), (320, 620903), (508, 391120), (635, 312896), (1016, 195560), (1270, 156448), (2032, 97780), (2540, 78224), (4064, 48890), (4889, 40640), (5080, 39112), (8128, 24445), (9778, 20320), (10160, 19556)]