64239950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{3559}}^1$

素因数の和:3609

約数の個数: 36

約数和(自身を含む): 126141480

約数和(自身を除く): 61901530

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 361, 475, 722, 950, 1805, 3559, 3610, 7118, 9025, 17795, 18050, 35590, 67621, 88975, 135242, 177950, 338105, 676210, 1284799, 1690525, 2569598, 3381050, 6423995, 12847990, 32119975, 64239950]

約数ペア:

[(1, 64239950), (2, 32119975), (5, 12847990), (10, 6423995), (19, 3381050), (25, 2569598), (38, 1690525), (50, 1284799), (95, 676210), (190, 338105), (361, 177950), (475, 135242), (722, 88975), (950, 67621), (1805, 35590), (3559, 18050), (3610, 17795), (7118, 9025)]