65397460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 141804432

約数和(自身を除く): 76406972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 173, 205, 346, 410, 461, 692, 820, 865, 922, 1730, 1844, 2305, 3460, 4610, 7093, 9220, 14186, 18901, 28372, 35465, 37802, 70930, 75604, 79753, 94505, 141860, 159506, 189010, 319012, 378020, 398765, 797530, 1595060, 3269873, 6539746, 13079492, 16349365, 32698730, 65397460]

約数ペア:

[(1, 65397460), (2, 32698730), (4, 16349365), (5, 13079492), (10, 6539746), (20, 3269873), (41, 1595060), (82, 797530), (164, 398765), (173, 378020), (205, 319012), (346, 189010), (410, 159506), (461, 141860), (692, 94505), (820, 79753), (865, 75604), (922, 70930), (1730, 37802), (1844, 35465), (2305, 28372), (3460, 18901), (4610, 14186), (7093, 9220)]