28266540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20483}}^1$

素因数の和:20518

約数の個数: 48

約数和(自身を含む): 82591488

約数和(自身を除く): 54324948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20483, 40966, 61449, 81932, 102415, 122898, 204830, 245796, 307245, 409660, 471109, 614490, 942218, 1228980, 1413327, 1884436, 2355545, 2826654, 4711090, 5653308, 7066635, 9422180, 14133270, 28266540]

約数ペア:

[(1, 28266540), (2, 14133270), (3, 9422180), (4, 7066635), (5, 5653308), (6, 4711090), (10, 2826654), (12, 2355545), (15, 1884436), (20, 1413327), (23, 1228980), (30, 942218), (46, 614490), (60, 471109), (69, 409660), (92, 307245), (115, 245796), (138, 204830), (230, 122898), (276, 102415), (345, 81932), (460, 61449), (690, 40966), (1380, 20483)]