13031500

素因数分解:

$2^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 28959840

約数和(自身を除く): 15928340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 125, 134, 250, 268, 335, 389, 500, 670, 778, 1340, 1556, 1675, 1945, 3350, 3890, 6700, 7780, 8375, 9725, 16750, 19450, 26063, 33500, 38900, 48625, 52126, 97250, 104252, 130315, 194500, 260630, 521260, 651575, 1303150, 2606300, 3257875, 6515750, 13031500]

約数ペア:

[(1, 13031500), (2, 6515750), (4, 3257875), (5, 2606300), (10, 1303150), (20, 651575), (25, 521260), (50, 260630), (67, 194500), (100, 130315), (125, 104252), (134, 97250), (250, 52126), (268, 48625), (335, 38900), (389, 33500), (500, 26063), (670, 19450), (778, 16750), (1340, 9725), (1556, 8375), (1675, 7780), (1945, 6700), (3350, 3890)]