16396940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{677}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 39638592

約数和(自身を除く): 23241652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 173, 346, 677, 692, 865, 1211, 1354, 1730, 2422, 2708, 3385, 3460, 4739, 4844, 6055, 6770, 9478, 12110, 13540, 18956, 23695, 24220, 47390, 94780, 117121, 234242, 468484, 585605, 819847, 1171210, 1639694, 2342420, 3279388, 4099235, 8198470, 16396940]

約数ペア:

[(1, 16396940), (2, 8198470), (4, 4099235), (5, 3279388), (7, 2342420), (10, 1639694), (14, 1171210), (20, 819847), (28, 585605), (35, 468484), (70, 234242), (140, 117121), (173, 94780), (346, 47390), (677, 24220), (692, 23695), (865, 18956), (1211, 13540), (1354, 12110), (1730, 9478), (2422, 6770), (2708, 6055), (3385, 4844), (3460, 4739)]