15709720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30211}}^1$

素因数の和:30235

約数の個数: 32

約数和(自身を含む): 38067120

約数和(自身を除く): 22357400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30211, 60422, 120844, 151055, 241688, 302110, 392743, 604220, 785486, 1208440, 1570972, 1963715, 3141944, 3927430, 7854860, 15709720]

約数ペア:

[(1, 15709720), (2, 7854860), (4, 3927430), (5, 3141944), (8, 1963715), (10, 1570972), (13, 1208440), (20, 785486), (26, 604220), (40, 392743), (52, 302110), (65, 241688), (104, 151055), (130, 120844), (260, 60422), (520, 30211)]