30526840

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{12511}}^1$

素因数の和:12583

約数の個数: 32

約数和(自身を含む): 69816960

約数和(自身を除く): 39290120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 12511, 25022, 50044, 62555, 100088, 125110, 250220, 500440, 763171, 1526342, 3052684, 3815855, 6105368, 7631710, 15263420, 30526840]

約数ペア:

[(1, 30526840), (2, 15263420), (4, 7631710), (5, 6105368), (8, 3815855), (10, 3052684), (20, 1526342), (40, 763171), (61, 500440), (122, 250220), (244, 125110), (305, 100088), (488, 62555), (610, 50044), (1220, 25022), (2440, 12511)]