2155753660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{18671}}^1$

素因数の和:18954

約数の個数: 48

約数和(自身を含む): 4742986752

約数和(自身を除く): 2587233092

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 251, 460, 502, 1004, 1255, 2510, 5020, 5773, 11546, 18671, 23092, 28865, 37342, 57730, 74684, 93355, 115460, 186710, 373420, 429433, 858866, 1717732, 2147165, 4294330, 4686421, 8588660, 9372842, 18745684, 23432105, 46864210, 93728420, 107787683, 215575366, 431150732, 538938415, 1077876830, 2155753660]

約数ペア:

[(1, 2155753660), (2, 1077876830), (4, 538938415), (5, 431150732), (10, 215575366), (20, 107787683), (23, 93728420), (46, 46864210), (92, 23432105), (115, 18745684), (230, 9372842), (251, 8588660), (460, 4686421), (502, 4294330), (1004, 2147165), (1255, 1717732), (2510, 858866), (5020, 429433), (5773, 373420), (11546, 186710), (18671, 115460), (23092, 93355), (28865, 74684), (37342, 57730)]