13530260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 29729280

約数和(自身を除く): 16199020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 157, 278, 310, 314, 556, 620, 628, 695, 785, 1390, 1570, 2780, 3140, 4309, 4867, 8618, 9734, 17236, 19468, 21545, 21823, 24335, 43090, 43646, 48670, 86180, 87292, 97340, 109115, 218230, 436460, 676513, 1353026, 2706052, 3382565, 6765130, 13530260]

約数ペア:

[(1, 13530260), (2, 6765130), (4, 3382565), (5, 2706052), (10, 1353026), (20, 676513), (31, 436460), (62, 218230), (124, 109115), (139, 97340), (155, 87292), (157, 86180), (278, 48670), (310, 43646), (314, 43090), (556, 24335), (620, 21823), (628, 21545), (695, 19468), (785, 17236), (1390, 9734), (1570, 8618), (2780, 4867), (3140, 4309)]