65545280

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{797}}^1$

素因数の和:1071

約数の個数: 56

約数和(自身を含む): 156883608

約数和(自身を除く): 91338328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 320, 514, 797, 1028, 1285, 1594, 2056, 2570, 3188, 3985, 4112, 5140, 6376, 7970, 8224, 10280, 12752, 15940, 16448, 20560, 25504, 31880, 41120, 51008, 63760, 82240, 127520, 204829, 255040, 409658, 819316, 1024145, 1638632, 2048290, 3277264, 4096580, 6554528, 8193160, 13109056, 16386320, 32772640, 65545280]

約数ペア:

[(1, 65545280), (2, 32772640), (4, 16386320), (5, 13109056), (8, 8193160), (10, 6554528), (16, 4096580), (20, 3277264), (32, 2048290), (40, 1638632), (64, 1024145), (80, 819316), (160, 409658), (257, 255040), (320, 204829), (514, 127520), (797, 82240), (1028, 63760), (1285, 51008), (1594, 41120), (2056, 31880), (2570, 25504), (3188, 20560), (3985, 16448), (4112, 15940), (5140, 12752), (6376, 10280), (7970, 8224)]