83639140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16931}}^1$

素因数の和:16972

約数の個数: 48

約数和(自身を含む): 199120320

約数和(自身を除く): 115481180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 16931, 33862, 67724, 84655, 169310, 220103, 321689, 338620, 440206, 643378, 880412, 1100515, 1286756, 1608445, 2201030, 3216890, 4181957, 4402060, 6433780, 8363914, 16727828, 20909785, 41819570, 83639140]

約数ペア:

[(1, 83639140), (2, 41819570), (4, 20909785), (5, 16727828), (10, 8363914), (13, 6433780), (19, 4402060), (20, 4181957), (26, 3216890), (38, 2201030), (52, 1608445), (65, 1286756), (76, 1100515), (95, 880412), (130, 643378), (190, 440206), (247, 338620), (260, 321689), (380, 220103), (494, 169310), (988, 84655), (1235, 67724), (2470, 33862), (4940, 16931)]