25004520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{69457}}^1$

素因数の和:69474

約数の個数: 48

約数和(自身を含む): 81265860

約数和(自身を除く): 56261340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 69457, 138914, 208371, 277828, 347285, 416742, 555656, 625113, 694570, 833484, 1041855, 1250226, 1389140, 1666968, 2083710, 2500452, 2778280, 3125565, 4167420, 5000904, 6251130, 8334840, 12502260, 25004520]

約数ペア:

[(1, 25004520), (2, 12502260), (3, 8334840), (4, 6251130), (5, 5000904), (6, 4167420), (8, 3125565), (9, 2778280), (10, 2500452), (12, 2083710), (15, 1666968), (18, 1389140), (20, 1250226), (24, 1041855), (30, 833484), (36, 694570), (40, 625113), (45, 555656), (60, 416742), (72, 347285), (90, 277828), (120, 208371), (180, 138914), (360, 69457)]