8131420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1650

約数の個数: 48

約数和(自身を含む): 19450368

約数和(自身を除く): 11318948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1607, 2530, 3214, 5060, 6428, 8035, 16070, 17677, 32140, 35354, 36961, 70708, 73922, 88385, 147844, 176770, 184805, 353540, 369610, 406571, 739220, 813142, 1626284, 2032855, 4065710, 8131420]

約数ペア:

[(1, 8131420), (2, 4065710), (4, 2032855), (5, 1626284), (10, 813142), (11, 739220), (20, 406571), (22, 369610), (23, 353540), (44, 184805), (46, 176770), (55, 147844), (92, 88385), (110, 73922), (115, 70708), (220, 36961), (230, 35354), (253, 32140), (460, 17677), (506, 16070), (1012, 8035), (1265, 6428), (1607, 5060), (2530, 3214)]