253441880

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{7643}}^1$

素因数の和:8483

約数の個数: 32

約数和(自身を含む): 571006800

約数和(自身を除く): 317564920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 3316, 4145, 6632, 7643, 8290, 15286, 16580, 30572, 33160, 38215, 61144, 76430, 152860, 305720, 6336047, 12672094, 25344188, 31680235, 50688376, 63360470, 126720940, 253441880]

約数ペア:

[(1, 253441880), (2, 126720940), (4, 63360470), (5, 50688376), (8, 31680235), (10, 25344188), (20, 12672094), (40, 6336047), (829, 305720), (1658, 152860), (3316, 76430), (4145, 61144), (6632, 38215), (7643, 33160), (8290, 30572), (15286, 16580)]