90329980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1321}}^1$

素因数の和:1606

約数の個数: 48

約数和(自身を含む): 205216704

約数和(自身を除く): 114886724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 526, 1052, 1315, 1321, 2630, 2642, 3419, 5260, 5284, 6605, 6838, 13210, 13676, 17095, 17173, 26420, 34190, 34346, 68380, 68692, 85865, 171730, 343460, 347423, 694846, 1389692, 1737115, 3474230, 4516499, 6948460, 9032998, 18065996, 22582495, 45164990, 90329980]

約数ペア:

[(1, 90329980), (2, 45164990), (4, 22582495), (5, 18065996), (10, 9032998), (13, 6948460), (20, 4516499), (26, 3474230), (52, 1737115), (65, 1389692), (130, 694846), (260, 347423), (263, 343460), (526, 171730), (1052, 85865), (1315, 68692), (1321, 68380), (2630, 34346), (2642, 34190), (3419, 26420), (5260, 17173), (5284, 17095), (6605, 13676), (6838, 13210)]