4180280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8039}}^1$

素因数の和:8063

約数の個数: 32

約数和(自身を含む): 10130400

約数和(自身を除く): 5950120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8039, 16078, 32156, 40195, 64312, 80390, 104507, 160780, 209014, 321560, 418028, 522535, 836056, 1045070, 2090140, 4180280]

約数ペア:

[(1, 4180280), (2, 2090140), (4, 1045070), (5, 836056), (8, 522535), (10, 418028), (13, 321560), (20, 209014), (26, 160780), (40, 104507), (52, 80390), (65, 64312), (104, 40195), (130, 32156), (260, 16078), (520, 8039)]