88699780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{877}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 201342960

約数和(自身を除く): 112643180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 389, 778, 877, 1556, 1754, 1945, 3508, 3890, 4385, 5057, 7780, 8770, 10114, 11401, 17540, 20228, 22802, 25285, 45604, 50570, 57005, 101140, 114010, 228020, 341153, 682306, 1364612, 1705765, 3411530, 4434989, 6823060, 8869978, 17739956, 22174945, 44349890, 88699780]

約数ペア:

[(1, 88699780), (2, 44349890), (4, 22174945), (5, 17739956), (10, 8869978), (13, 6823060), (20, 4434989), (26, 3411530), (52, 1705765), (65, 1364612), (130, 682306), (260, 341153), (389, 228020), (778, 114010), (877, 101140), (1556, 57005), (1754, 50570), (1945, 45604), (3508, 25285), (3890, 22802), (4385, 20228), (5057, 17540), (7780, 11401), (8770, 10114)]