51639830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20411}}^1$

素因数の和:20452

約数の個数: 32

約数和(自身を含む): 105815808

約数和(自身を除く): 54175978

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 20411, 40822, 102055, 204110, 224521, 449042, 469453, 938906, 1122605, 2245210, 2347265, 4694530, 5163983, 10327966, 25819915, 51639830]

約数ペア:

[(1, 51639830), (2, 25819915), (5, 10327966), (10, 5163983), (11, 4694530), (22, 2347265), (23, 2245210), (46, 1122605), (55, 938906), (110, 469453), (115, 449042), (230, 224521), (253, 204110), (506, 102055), (1265, 40822), (2530, 20411)]