655040

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:129

約数の個数: 56

約数和(自身を含む): 1645920

約数和(自身を除く): 990880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 160, 178, 184, 230, 320, 356, 368, 445, 460, 712, 736, 890, 920, 1424, 1472, 1780, 1840, 2047, 2848, 3560, 3680, 4094, 5696, 7120, 7360, 8188, 10235, 14240, 16376, 20470, 28480, 32752, 40940, 65504, 81880, 131008, 163760, 327520, 655040]

約数ペア:

[(1, 655040), (2, 327520), (4, 163760), (5, 131008), (8, 81880), (10, 65504), (16, 40940), (20, 32752), (23, 28480), (32, 20470), (40, 16376), (46, 14240), (64, 10235), (80, 8188), (89, 7360), (92, 7120), (115, 5696), (160, 4094), (178, 3680), (184, 3560), (230, 2848), (320, 2047), (356, 1840), (368, 1780), (445, 1472), (460, 1424), (712, 920), (736, 890)]