72860680

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{10529}}^1$

素因数の和:10713

約数の個数: 32

約数和(自身を含む): 164899800

約数和(自身を除く): 92039120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 10529, 21058, 42116, 52645, 84232, 105290, 210580, 421160, 1821517, 3643034, 7286068, 9107585, 14572136, 18215170, 36430340, 72860680]

約数ペア:

[(1, 72860680), (2, 36430340), (4, 18215170), (5, 14572136), (8, 9107585), (10, 7286068), (20, 3643034), (40, 1821517), (173, 421160), (346, 210580), (692, 105290), (865, 84232), (1384, 52645), (1730, 42116), (3460, 21058), (6920, 10529)]