38639380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:796

約数の個数: 48

約数和(自身を含む): 87840144

約数和(自身を除く): 49200764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 353, 421, 706, 842, 1412, 1684, 1765, 2105, 3530, 4210, 4589, 5473, 7060, 8420, 9178, 10946, 18356, 21892, 22945, 27365, 45890, 54730, 91780, 109460, 148613, 297226, 594452, 743065, 1486130, 1931969, 2972260, 3863938, 7727876, 9659845, 19319690, 38639380]

約数ペア:

[(1, 38639380), (2, 19319690), (4, 9659845), (5, 7727876), (10, 3863938), (13, 2972260), (20, 1931969), (26, 1486130), (52, 743065), (65, 594452), (130, 297226), (260, 148613), (353, 109460), (421, 91780), (706, 54730), (842, 45890), (1412, 27365), (1684, 22945), (1765, 21892), (2105, 18356), (3530, 10946), (4210, 9178), (4589, 8420), (5473, 7060)]