65203840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:510

約数の個数: 128

約数和(自身を含む): 178128720

約数和(自身を除く): 112924880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 128, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 461, 520, 544, 640, 680, 832, 884, 922, 1040, 1088, 1105, 1360, 1664, 1768, 1844, 2080, 2176, 2210, 2305, 2720, 3536, 3688, 4160, 4420, 4610, 5440, 5993, 7072, 7376, 7837, 8320, 8840, 9220, 10880, 11986, 14144, 14752, 15674, 17680, 18440, 23972, 28288, 29504, 29965, 31348, 35360, 36880, 39185, 47944, 59008, 59930, 62696, 70720, 73760, 78370, 95888, 101881, 119860, 125392, 141440, 147520, 156740, 191776, 203762, 239720, 250784, 295040, 313480, 383552, 407524, 479440, 501568, 509405, 626960, 767104, 815048, 958880, 1003136, 1018810, 1253920, 1630096, 1917760, 2037620, 2507840, 3260192, 3835520, 4075240, 5015680, 6520384, 8150480, 13040768, 16300960, 32601920, 65203840]

約数ペア:

[(1, 65203840), (2, 32601920), (4, 16300960), (5, 13040768), (8, 8150480), (10, 6520384), (13, 5015680), (16, 4075240), (17, 3835520), (20, 3260192), (26, 2507840), (32, 2037620), (34, 1917760), (40, 1630096), (52, 1253920), (64, 1018810), (65, 1003136), (68, 958880), (80, 815048), (85, 767104), (104, 626960), (128, 509405), (130, 501568), (136, 479440), (160, 407524), (170, 383552), (208, 313480), (221, 295040), (260, 250784), (272, 239720), (320, 203762), (340, 191776), (416, 156740), (442, 147520), (461, 141440), (520, 125392), (544, 119860), (640, 101881), (680, 95888), (832, 78370), (884, 73760), (922, 70720), (1040, 62696), (1088, 59930), (1105, 59008), (1360, 47944), (1664, 39185), (1768, 36880), (1844, 35360), (2080, 31348), (2176, 29965), (2210, 29504), (2305, 28288), (2720, 23972), (3536, 18440), (3688, 17680), (4160, 15674), (4420, 14752), (4610, 14144), (5440, 11986), (5993, 10880), (7072, 9220), (7376, 8840), (7837, 8320)]