1390096880

素因数分解:

$2^4\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{8807}}^1$

素因数の和:10793

約数の個数: 40

約数和(自身を含む): 3233980512

約数和(自身を除く): 1843883632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1973, 3946, 7892, 8807, 9865, 15784, 17614, 19730, 31568, 35228, 39460, 44035, 70456, 78920, 88070, 140912, 157840, 176140, 352280, 704560, 17376211, 34752422, 69504844, 86881055, 139009688, 173762110, 278019376, 347524220, 695048440, 1390096880]

約数ペア:

[(1, 1390096880), (2, 695048440), (4, 347524220), (5, 278019376), (8, 173762110), (10, 139009688), (16, 86881055), (20, 69504844), (40, 34752422), (80, 17376211), (1973, 704560), (3946, 352280), (7892, 176140), (8807, 157840), (9865, 140912), (15784, 88070), (17614, 78920), (19730, 70456), (31568, 44035), (35228, 39460)]