1682720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 4286520

約数和(自身を除く): 2603800

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, 809, 1040, 1618, 2080, 3236, 4045, 6472, 8090, 10517, 12944, 16180, 21034, 25888, 32360, 42068, 52585, 64720, 84136, 105170, 129440, 168272, 210340, 336544, 420680, 841360, 1682720]

約数ペア:

[(1, 1682720), (2, 841360), (4, 420680), (5, 336544), (8, 210340), (10, 168272), (13, 129440), (16, 105170), (20, 84136), (26, 64720), (32, 52585), (40, 42068), (52, 32360), (65, 25888), (80, 21034), (104, 16180), (130, 12944), (160, 10517), (208, 8090), (260, 6472), (416, 4045), (520, 3236), (809, 2080), (1040, 1618)]