31387240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41299}}^1$

素因数の和:41329

約数の個数: 32

約数和(自身を含む): 74340000

約数和(自身を除く): 42952760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 41299, 82598, 165196, 206495, 330392, 412990, 784681, 825980, 1569362, 1651960, 3138724, 3923405, 6277448, 7846810, 15693620, 31387240]

約数ペア:

[(1, 31387240), (2, 15693620), (4, 7846810), (5, 6277448), (8, 3923405), (10, 3138724), (19, 1651960), (20, 1569362), (38, 825980), (40, 784681), (76, 412990), (95, 330392), (152, 206495), (190, 165196), (380, 82598), (760, 41299)]