128131232

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1713

約数の個数: 48

約数和(自身を含む): 262811304

約数和(自身を除く): 134680072

約数列:

[1, 2, 4, 8, 16, 32, 41, 61, 82, 122, 164, 244, 328, 488, 656, 976, 1312, 1601, 1952, 2501, 3202, 5002, 6404, 10004, 12808, 20008, 25616, 40016, 51232, 65641, 80032, 97661, 131282, 195322, 262564, 390644, 525128, 781288, 1050256, 1562576, 2100512, 3125152, 4004101, 8008202, 16016404, 32032808, 64065616, 128131232]

約数ペア:

[(1, 128131232), (2, 64065616), (4, 32032808), (8, 16016404), (16, 8008202), (32, 4004101), (41, 3125152), (61, 2100512), (82, 1562576), (122, 1050256), (164, 781288), (244, 525128), (328, 390644), (488, 262564), (656, 195322), (976, 131282), (1312, 97661), (1601, 80032), (1952, 65641), (2501, 51232), (3202, 40016), (5002, 25616), (6404, 20008), (10004, 12808)]