27973240

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1091}}^1$

素因数の和:1743

約数の個数: 32

約数和(自身を含む): 63095760

約数和(自身を除く): 35122520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1091, 1282, 2182, 2564, 3205, 4364, 5128, 5455, 6410, 8728, 10910, 12820, 21820, 25640, 43640, 699331, 1398662, 2797324, 3496655, 5594648, 6993310, 13986620, 27973240]

約数ペア:

[(1, 27973240), (2, 13986620), (4, 6993310), (5, 5594648), (8, 3496655), (10, 2797324), (20, 1398662), (40, 699331), (641, 43640), (1091, 25640), (1282, 21820), (2182, 12820), (2564, 10910), (3205, 8728), (4364, 6410), (5128, 5455)]