1645135040

素因数分解:

$2^6\times 5^1\times {\mathrm{673}}^1\times {\mathrm{7639}}^1$

素因数の和:8329

約数の個数: 56

約数和(自身を含む): 3923812320

約数和(自身を除く): 2278677280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 673, 1346, 2692, 3365, 5384, 6730, 7639, 10768, 13460, 15278, 21536, 26920, 30556, 38195, 43072, 53840, 61112, 76390, 107680, 122224, 152780, 215360, 244448, 305560, 488896, 611120, 1222240, 2444480, 5141047, 10282094, 20564188, 25705235, 41128376, 51410470, 82256752, 102820940, 164513504, 205641880, 329027008, 411283760, 822567520, 1645135040]

約数ペア:

[(1, 1645135040), (2, 822567520), (4, 411283760), (5, 329027008), (8, 205641880), (10, 164513504), (16, 102820940), (20, 82256752), (32, 51410470), (40, 41128376), (64, 25705235), (80, 20564188), (160, 10282094), (320, 5141047), (673, 2444480), (1346, 1222240), (2692, 611120), (3365, 488896), (5384, 305560), (6730, 244448), (7639, 215360), (10768, 152780), (13460, 122224), (15278, 107680), (21536, 76390), (26920, 61112), (30556, 53840), (38195, 43072)]