51821990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20483}}^1$

素因数の和:20524

約数の個数: 32

約数和(自身を含む): 106189056

約数和(自身を除く): 54367066

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 20483, 40966, 102415, 204830, 225313, 450626, 471109, 942218, 1126565, 2253130, 2355545, 4711090, 5182199, 10364398, 25910995, 51821990]

約数ペア:

[(1, 51821990), (2, 25910995), (5, 10364398), (10, 5182199), (11, 4711090), (22, 2355545), (23, 2253130), (46, 1126565), (55, 942218), (110, 471109), (115, 450626), (230, 225313), (253, 204830), (506, 102415), (1265, 40966), (2530, 20483)]