126391960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101929}}^1$

素因数の和:101971

約数の個数: 32

約数和(自身を含む): 293558400

約数和(自身を除く): 167166440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 101929, 203858, 407716, 509645, 815432, 1019290, 2038580, 3159799, 4077160, 6319598, 12639196, 15798995, 25278392, 31597990, 63195980, 126391960]

約数ペア:

[(1, 126391960), (2, 63195980), (4, 31597990), (5, 25278392), (8, 15798995), (10, 12639196), (20, 6319598), (31, 4077160), (40, 3159799), (62, 2038580), (124, 1019290), (155, 815432), (248, 509645), (310, 407716), (620, 203858), (1240, 101929)]