66458860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{577}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 150899616

約数和(自身を除く): 84440756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 443, 577, 886, 1154, 1772, 2215, 2308, 2885, 4430, 5759, 5770, 7501, 8860, 11518, 11540, 15002, 23036, 28795, 30004, 37505, 57590, 75010, 115180, 150020, 255611, 511222, 1022444, 1278055, 2556110, 3322943, 5112220, 6645886, 13291772, 16614715, 33229430, 66458860]

約数ペア:

[(1, 66458860), (2, 33229430), (4, 16614715), (5, 13291772), (10, 6645886), (13, 5112220), (20, 3322943), (26, 2556110), (52, 1278055), (65, 1022444), (130, 511222), (260, 255611), (443, 150020), (577, 115180), (886, 75010), (1154, 57590), (1772, 37505), (2215, 30004), (2308, 28795), (2885, 23036), (4430, 15002), (5759, 11540), (5770, 11518), (7501, 8860)]