65178880

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3917}}^1$

素因数の和:3951

約数の個数: 72

約数和(自身を含む): 168176232

約数和(自身を除く): 102997352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 3917, 4160, 7834, 8320, 15668, 16640, 19585, 31336, 39170, 50921, 62672, 78340, 101842, 125344, 156680, 203684, 250688, 254605, 313360, 407368, 501376, 509210, 626720, 814736, 1002752, 1018420, 1253440, 1629472, 2036840, 2506880, 3258944, 4073680, 5013760, 6517888, 8147360, 13035776, 16294720, 32589440, 65178880]

約数ペア:

[(1, 65178880), (2, 32589440), (4, 16294720), (5, 13035776), (8, 8147360), (10, 6517888), (13, 5013760), (16, 4073680), (20, 3258944), (26, 2506880), (32, 2036840), (40, 1629472), (52, 1253440), (64, 1018420), (65, 1002752), (80, 814736), (104, 626720), (128, 509210), (130, 501376), (160, 407368), (208, 313360), (256, 254605), (260, 250688), (320, 203684), (416, 156680), (520, 125344), (640, 101842), (832, 78340), (1040, 62672), (1280, 50921), (1664, 39170), (2080, 31336), (3328, 19585), (3917, 16640), (4160, 15668), (7834, 8320)]