78467840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5573}}^1$

素因数の和:5605

約数の個数: 72

約数和(自身を含む): 205078608

約数和(自身を除く): 126610768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 5573, 7040, 11146, 14080, 22292, 27865, 44584, 55730, 61303, 89168, 111460, 122606, 178336, 222920, 245212, 306515, 356672, 445840, 490424, 613030, 713344, 891680, 980848, 1226060, 1426688, 1783360, 1961696, 2452120, 3566720, 3923392, 4904240, 7133440, 7846784, 9808480, 15693568, 19616960, 39233920, 78467840]

約数ペア:

[(1, 78467840), (2, 39233920), (4, 19616960), (5, 15693568), (8, 9808480), (10, 7846784), (11, 7133440), (16, 4904240), (20, 3923392), (22, 3566720), (32, 2452120), (40, 1961696), (44, 1783360), (55, 1426688), (64, 1226060), (80, 980848), (88, 891680), (110, 713344), (128, 613030), (160, 490424), (176, 445840), (220, 356672), (256, 306515), (320, 245212), (352, 222920), (440, 178336), (640, 122606), (704, 111460), (880, 89168), (1280, 61303), (1408, 55730), (1760, 44584), (2816, 27865), (3520, 22292), (5573, 14080), (7040, 11146)]