49520620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 107575776

約数和(自身を除く): 58055156

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 461, 524, 655, 820, 922, 1310, 1844, 2305, 2620, 4610, 5371, 9220, 10742, 18901, 21484, 26855, 37802, 53710, 60391, 75604, 94505, 107420, 120782, 189010, 241564, 301955, 378020, 603910, 1207820, 2476031, 4952062, 9904124, 12380155, 24760310, 49520620]

約数ペア:

[(1, 49520620), (2, 24760310), (4, 12380155), (5, 9904124), (10, 4952062), (20, 2476031), (41, 1207820), (82, 603910), (131, 378020), (164, 301955), (205, 241564), (262, 189010), (410, 120782), (461, 107420), (524, 94505), (655, 75604), (820, 60391), (922, 53710), (1310, 37802), (1844, 26855), (2305, 21484), (2620, 18901), (4610, 10742), (5371, 9220)]