80648810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 167215104

約数和(自身を除く): 86566294

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 127, 230, 251, 253, 254, 502, 506, 635, 1255, 1265, 1270, 1397, 2510, 2530, 2761, 2794, 2921, 5522, 5773, 5842, 6985, 11546, 13805, 13970, 14605, 27610, 28865, 29210, 31877, 32131, 57730, 63503, 63754, 64262, 127006, 159385, 160655, 317515, 318770, 321310, 350647, 635030, 701294, 733171, 1466342, 1753235, 3506470, 3665855, 7331710, 8064881, 16129762, 40324405, 80648810]

約数ペア:

[(1, 80648810), (2, 40324405), (5, 16129762), (10, 8064881), (11, 7331710), (22, 3665855), (23, 3506470), (46, 1753235), (55, 1466342), (110, 733171), (115, 701294), (127, 635030), (230, 350647), (251, 321310), (253, 318770), (254, 317515), (502, 160655), (506, 159385), (635, 127006), (1255, 64262), (1265, 63754), (1270, 63503), (1397, 57730), (2510, 32131), (2530, 31877), (2761, 29210), (2794, 28865), (2921, 27610), (5522, 14605), (5773, 13970), (5842, 13805), (6985, 11546)]