65216320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:348

約数の個数: 112

約数和(自身を含む): 170645328

約数和(自身を除く): 105429008

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 130, 160, 208, 244, 257, 260, 305, 320, 416, 488, 514, 520, 610, 793, 832, 976, 1028, 1040, 1220, 1285, 1586, 1952, 2056, 2080, 2440, 2570, 3172, 3341, 3904, 3965, 4112, 4160, 4880, 5140, 6344, 6682, 7930, 8224, 9760, 10280, 12688, 13364, 15677, 15860, 16448, 16705, 19520, 20560, 25376, 26728, 31354, 31720, 33410, 41120, 50752, 53456, 62708, 63440, 66820, 78385, 82240, 106912, 125416, 126880, 133640, 156770, 203801, 213824, 250832, 253760, 267280, 313540, 407602, 501664, 534560, 627080, 815204, 1003328, 1019005, 1069120, 1254160, 1630408, 2038010, 2508320, 3260816, 4076020, 5016640, 6521632, 8152040, 13043264, 16304080, 32608160, 65216320]

約数ペア:

[(1, 65216320), (2, 32608160), (4, 16304080), (5, 13043264), (8, 8152040), (10, 6521632), (13, 5016640), (16, 4076020), (20, 3260816), (26, 2508320), (32, 2038010), (40, 1630408), (52, 1254160), (61, 1069120), (64, 1019005), (65, 1003328), (80, 815204), (104, 627080), (122, 534560), (130, 501664), (160, 407602), (208, 313540), (244, 267280), (257, 253760), (260, 250832), (305, 213824), (320, 203801), (416, 156770), (488, 133640), (514, 126880), (520, 125416), (610, 106912), (793, 82240), (832, 78385), (976, 66820), (1028, 63440), (1040, 62708), (1220, 53456), (1285, 50752), (1586, 41120), (1952, 33410), (2056, 31720), (2080, 31354), (2440, 26728), (2570, 25376), (3172, 20560), (3341, 19520), (3904, 16705), (3965, 16448), (4112, 15860), (4160, 15677), (4880, 13364), (5140, 12688), (6344, 10280), (6682, 9760), (7930, 8224)]