64138880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{593}}^1$

素因数の和:638

約数の個数: 96

約数和(自身を含む): 166314060

約数和(自身を除く): 102175180

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 169, 208, 260, 320, 338, 416, 520, 593, 640, 676, 832, 845, 1040, 1186, 1352, 1664, 1690, 2080, 2372, 2704, 2965, 3380, 4160, 4744, 5408, 5930, 6760, 7709, 8320, 9488, 10816, 11860, 13520, 15418, 18976, 21632, 23720, 27040, 30836, 37952, 38545, 47440, 54080, 61672, 75904, 77090, 94880, 100217, 108160, 123344, 154180, 189760, 200434, 246688, 308360, 379520, 400868, 493376, 501085, 616720, 801736, 986752, 1002170, 1233440, 1603472, 2004340, 2466880, 3206944, 4008680, 4933760, 6413888, 8017360, 12827776, 16034720, 32069440, 64138880]

約数ペア:

[(1, 64138880), (2, 32069440), (4, 16034720), (5, 12827776), (8, 8017360), (10, 6413888), (13, 4933760), (16, 4008680), (20, 3206944), (26, 2466880), (32, 2004340), (40, 1603472), (52, 1233440), (64, 1002170), (65, 986752), (80, 801736), (104, 616720), (128, 501085), (130, 493376), (160, 400868), (169, 379520), (208, 308360), (260, 246688), (320, 200434), (338, 189760), (416, 154180), (520, 123344), (593, 108160), (640, 100217), (676, 94880), (832, 77090), (845, 75904), (1040, 61672), (1186, 54080), (1352, 47440), (1664, 38545), (1690, 37952), (2080, 30836), (2372, 27040), (2704, 23720), (2965, 21632), (3380, 18976), (4160, 15418), (4744, 13520), (5408, 11860), (5930, 10816), (6760, 9488), (7709, 8320)]