16658720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8009}}^1$

素因数の和:8037

約数の個数: 48

約数和(自身を含む): 42388920

約数和(自身を除く): 25730200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 8009, 16018, 32036, 40045, 64072, 80090, 104117, 128144, 160180, 208234, 256288, 320360, 416468, 520585, 640720, 832936, 1041170, 1281440, 1665872, 2082340, 3331744, 4164680, 8329360, 16658720]

約数ペア:

[(1, 16658720), (2, 8329360), (4, 4164680), (5, 3331744), (8, 2082340), (10, 1665872), (13, 1281440), (16, 1041170), (20, 832936), (26, 640720), (32, 520585), (40, 416468), (52, 320360), (65, 256288), (80, 208234), (104, 160180), (130, 128144), (160, 104117), (208, 80090), (260, 64072), (416, 40045), (520, 32036), (1040, 16018), (2080, 8009)]