66996800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3256

約数の個数: 84

約数和(自身を含む): 177590196

約数和(自身を除く): 110593396

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2600, 3221, 4160, 5200, 6442, 10400, 12884, 16105, 20800, 25768, 32210, 41873, 51536, 64420, 80525, 83746, 103072, 128840, 161050, 167492, 206144, 209365, 257680, 322100, 334984, 418730, 515360, 644200, 669968, 837460, 1030720, 1046825, 1288400, 1339936, 1674920, 2093650, 2576800, 2679872, 3349840, 4187300, 5153600, 6699680, 8374600, 13399360, 16749200, 33498400, 66996800]

約数ペア:

[(1, 66996800), (2, 33498400), (4, 16749200), (5, 13399360), (8, 8374600), (10, 6699680), (13, 5153600), (16, 4187300), (20, 3349840), (25, 2679872), (26, 2576800), (32, 2093650), (40, 1674920), (50, 1339936), (52, 1288400), (64, 1046825), (65, 1030720), (80, 837460), (100, 669968), (104, 644200), (130, 515360), (160, 418730), (200, 334984), (208, 322100), (260, 257680), (320, 209365), (325, 206144), (400, 167492), (416, 161050), (520, 128840), (650, 103072), (800, 83746), (832, 80525), (1040, 64420), (1300, 51536), (1600, 41873), (2080, 32210), (2600, 25768), (3221, 20800), (4160, 16105), (5200, 12884), (6442, 10400)]