64820590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 129003840

約数和(自身を除く): 64183250

約数列:

[1, 2, 5, 10, 19, 38, 41, 53, 82, 95, 106, 157, 190, 205, 265, 314, 410, 530, 779, 785, 1007, 1558, 1570, 2014, 2173, 2983, 3895, 4346, 5035, 5966, 6437, 7790, 8321, 10070, 10865, 12874, 14915, 16642, 21730, 29830, 32185, 41287, 41605, 64370, 82574, 83210, 122303, 158099, 206435, 244606, 316198, 341161, 412870, 611515, 682322, 790495, 1223030, 1580990, 1705805, 3411610, 6482059, 12964118, 32410295, 64820590]

約数ペア:

[(1, 64820590), (2, 32410295), (5, 12964118), (10, 6482059), (19, 3411610), (38, 1705805), (41, 1580990), (53, 1223030), (82, 790495), (95, 682322), (106, 611515), (157, 412870), (190, 341161), (205, 316198), (265, 244606), (314, 206435), (410, 158099), (530, 122303), (779, 83210), (785, 82574), (1007, 64370), (1558, 41605), (1570, 41287), (2014, 32185), (2173, 29830), (2983, 21730), (3895, 16642), (4346, 14915), (5035, 12874), (5966, 10865), (6437, 10070), (7790, 8321)]