82261120

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1725

約数の個数: 64

約数和(自身を含む): 199267200

約数和(自身を除く): 117006080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 1627, 2528, 3160, 3254, 5056, 6320, 6508, 8135, 10112, 12640, 13016, 16270, 25280, 26032, 32540, 50560, 52064, 65080, 104128, 128533, 130160, 208256, 257066, 260320, 514132, 520640, 642665, 1028264, 1041280, 1285330, 2056528, 2570660, 4113056, 5141320, 8226112, 10282640, 16452224, 20565280, 41130560, 82261120]

約数ペア:

[(1, 82261120), (2, 41130560), (4, 20565280), (5, 16452224), (8, 10282640), (10, 8226112), (16, 5141320), (20, 4113056), (32, 2570660), (40, 2056528), (64, 1285330), (79, 1041280), (80, 1028264), (128, 642665), (158, 520640), (160, 514132), (316, 260320), (320, 257066), (395, 208256), (632, 130160), (640, 128533), (790, 104128), (1264, 65080), (1580, 52064), (1627, 50560), (2528, 32540), (3160, 26032), (3254, 25280), (5056, 16270), (6320, 13016), (6508, 12640), (8135, 10112)]