13303566440

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{677371}}^1$

素因数の和:677873

約数の個数: 32

約数和(自身を含む): 29994032160

約数和(自身を除く): 16690465720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 677371, 1354742, 2709484, 3386855, 5418968, 6773710, 13547420, 27094840, 332589161, 665178322, 1330356644, 1662945805, 2660713288, 3325891610, 6651783220, 13303566440]

約数ペア:

[(1, 13303566440), (2, 6651783220), (4, 3325891610), (5, 2660713288), (8, 1662945805), (10, 1330356644), (20, 665178322), (40, 332589161), (491, 27094840), (982, 13547420), (1964, 6773710), (2455, 5418968), (3928, 3386855), (4910, 2709484), (9820, 1354742), (19640, 677371)]