71642560

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20353}}^1$

素因数の和:20381

約数の個数: 56

約数和(自身を含む): 186116976

約数和(自身を除く): 114474416

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 20353, 40706, 81412, 101765, 162824, 203530, 223883, 325648, 407060, 447766, 651296, 814120, 895532, 1119415, 1302592, 1628240, 1791064, 2238830, 3256480, 3582128, 4477660, 6512960, 7164256, 8955320, 14328512, 17910640, 35821280, 71642560]

約数ペア:

[(1, 71642560), (2, 35821280), (4, 17910640), (5, 14328512), (8, 8955320), (10, 7164256), (11, 6512960), (16, 4477660), (20, 3582128), (22, 3256480), (32, 2238830), (40, 1791064), (44, 1628240), (55, 1302592), (64, 1119415), (80, 895532), (88, 814120), (110, 651296), (160, 447766), (176, 407060), (220, 325648), (320, 223883), (352, 203530), (440, 162824), (704, 101765), (880, 81412), (1760, 40706), (3520, 20353)]