87659140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{743}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 195737472

約数和(自身を除く): 108078332

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 347, 694, 743, 1388, 1486, 1735, 2972, 3470, 3715, 5899, 6940, 7430, 11798, 12631, 14860, 23596, 25262, 29495, 50524, 58990, 63155, 117980, 126310, 252620, 257821, 515642, 1031284, 1289105, 2578210, 4382957, 5156420, 8765914, 17531828, 21914785, 43829570, 87659140]

約数ペア:

[(1, 87659140), (2, 43829570), (4, 21914785), (5, 17531828), (10, 8765914), (17, 5156420), (20, 4382957), (34, 2578210), (68, 1289105), (85, 1031284), (170, 515642), (340, 257821), (347, 252620), (694, 126310), (743, 117980), (1388, 63155), (1486, 58990), (1735, 50524), (2972, 29495), (3470, 25262), (3715, 23596), (5899, 14860), (6940, 12631), (7430, 11798)]