79316800

素因数分解:

$2^6\times 5^2\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:668

約数の個数: 84

約数和(自身を含む): 197716140

約数和(自身を除く): 118399340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 89, 100, 160, 178, 200, 320, 356, 400, 445, 557, 712, 800, 890, 1114, 1424, 1600, 1780, 2225, 2228, 2785, 2848, 3560, 4450, 4456, 5570, 5696, 7120, 8900, 8912, 11140, 13925, 14240, 17800, 17824, 22280, 27850, 28480, 35600, 35648, 44560, 49573, 55700, 71200, 89120, 99146, 111400, 142400, 178240, 198292, 222800, 247865, 396584, 445600, 495730, 793168, 891200, 991460, 1239325, 1586336, 1982920, 2478650, 3172672, 3965840, 4957300, 7931680, 9914600, 15863360, 19829200, 39658400, 79316800]

約数ペア:

[(1, 79316800), (2, 39658400), (4, 19829200), (5, 15863360), (8, 9914600), (10, 7931680), (16, 4957300), (20, 3965840), (25, 3172672), (32, 2478650), (40, 1982920), (50, 1586336), (64, 1239325), (80, 991460), (89, 891200), (100, 793168), (160, 495730), (178, 445600), (200, 396584), (320, 247865), (356, 222800), (400, 198292), (445, 178240), (557, 142400), (712, 111400), (800, 99146), (890, 89120), (1114, 71200), (1424, 55700), (1600, 49573), (1780, 44560), (2225, 35648), (2228, 35600), (2785, 28480), (2848, 27850), (3560, 22280), (4450, 17824), (4456, 17800), (5570, 14240), (5696, 13925), (7120, 11140), (8900, 8912)]