27919580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1471}}^1$

素因数の和:1566

約数の個数: 48

約数和(自身を含む): 64049664

約数和(自身を除く): 36130084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 1460, 1471, 1898, 2942, 3796, 4745, 5884, 7355, 9490, 14710, 18980, 19123, 29420, 38246, 76492, 95615, 107383, 191230, 214766, 382460, 429532, 536915, 1073830, 1395979, 2147660, 2791958, 5583916, 6979895, 13959790, 27919580]

約数ペア:

[(1, 27919580), (2, 13959790), (4, 6979895), (5, 5583916), (10, 2791958), (13, 2147660), (20, 1395979), (26, 1073830), (52, 536915), (65, 429532), (73, 382460), (130, 214766), (146, 191230), (260, 107383), (292, 95615), (365, 76492), (730, 38246), (949, 29420), (1460, 19123), (1471, 18980), (1898, 14710), (2942, 9490), (3796, 7355), (4745, 5884)]