15640690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5231}}^1$

素因数の和:5274

約数の個数: 32

約数和(自身を含む): 31643136

約数和(自身を除く): 16002446

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 5231, 10462, 26155, 52310, 68003, 120313, 136006, 240626, 340015, 601565, 680030, 1203130, 1564069, 3128138, 7820345, 15640690]

約数ペア:

[(1, 15640690), (2, 7820345), (5, 3128138), (10, 1564069), (13, 1203130), (23, 680030), (26, 601565), (46, 340015), (65, 240626), (115, 136006), (130, 120313), (230, 68003), (299, 52310), (598, 26155), (1495, 10462), (2990, 5231)]